Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752626Ab1EJRGD (ORCPT ); Tue, 10 May 2011 13:06:03 -0400 Received: from bedivere.hansenpartnership.com ([66.63.167.143]:34776 "EHLO bedivere.hansenpartnership.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751090Ab1EJRF7 (ORCPT ); Tue, 10 May 2011 13:05:59 -0400 Subject: Re: [BUG] fatal hang untarring 90GB file, possibly writeback related. From: James Bottomley To: Mel Gorman Cc: Mel Gorman , Jan Kara , colin.king@canonical.com, Chris Mason , linux-fsdevel , linux-mm , linux-kernel , linux-ext4 In-Reply-To: <1305043052.6737.17.camel@mulgrave.site> References: <1304025145.2598.24.camel@mulgrave.site> <1304030629.2598.42.camel@mulgrave.site> <20110503091320.GA4542@novell.com> <1304431982.2576.5.camel@mulgrave.site> <1304432553.2576.10.camel@mulgrave.site> <20110506074224.GB6591@suse.de> <20110506080728.GC6591@suse.de> <1304964980.4865.53.camel@mulgrave.site> <20110510102141.GA4149@novell.com> <1305036064.6737.8.camel@mulgrave.site> <20110510143509.GD4146@suse.de> <1305041397.6737.12.camel@mulgrave.site> <1305043052.6737.17.camel@mulgrave.site> Content-Type: text/plain; charset="UTF-8" Date: Tue, 10 May 2011 12:05:54 -0500 Message-ID: <1305047154.6737.22.camel@mulgrave.site> Mime-Version: 1.0 X-Mailer: Evolution 2.32.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 83552 Lines: 1700 On Tue, 2011-05-10 at 15:57 +0000, James Bottomley wrote: > On Tue, 2011-05-10 at 10:29 -0500, James Bottomley wrote: > > On Tue, 2011-05-10 at 15:35 +0100, Mel Gorman wrote: > > > On Tue, May 10, 2011 at 09:01:04AM -0500, James Bottomley wrote: > > > > On Tue, 2011-05-10 at 11:21 +0100, Mel Gorman wrote: > > > > > I really would like to hear if the fix makes a big difference or > > > > > if we need to consider forcing SLUB high-order allocations bailing > > > > > at the first sign of trouble (e.g. by masking out __GFP_WAIT in > > > > > allocate_slab). Even with the fix applied, kswapd might be waking up > > > > > less but processes will still be getting stalled in direct compaction > > > > > and direct reclaim so it would still be jittery. > > > > > > > > "the fix" being this > > > > > > > > https://lkml.org/lkml/2011/3/5/121 > > > > > > > > > > Drop this for the moment. It was a long shot at best and there is little > > > evidence the problem is in this area. > > > > > > I'm attaching two patches. The first is the NO_KSWAPD one to stop > > > kswapd being woken up by SLUB using speculative high-orders. The second > > > one is more drastic and prevents slub entering direct reclaim or > > > compaction. It applies on top of patch 1. These are both untested and > > > afraid are a bit rushed as well :( > > > > Preliminary results with both patches applied still show kswapd > > periodically going up to 99% but it doesn't stay there, it comes back > > down again (and, obviously, the system doesn't hang). > > This is a second run with the watch highorders. > > At the end of the run, the system hung temporarily and now comes back > with CPU3 spinning in all system time at kswapd shrink_slab Here's a trace in the same situation with the ftrace stack entries bumped to 16 as requested on IRC. There was no hang for this one. James --- 1 instances order=3 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => shmem_alloc_inode+0x1a/0x2f => alloc_inode+0x1d/0x78 => new_inode+0x1b/0x4b => shmem_get_inode+0x45/0x1f6 => shmem_file_setup+0xe4/0x160 => drm_gem_object_init+0x34/0x61 [drm] => i915_gem_alloc_object+0x41/0x111 [i915] => i915_gem_create_ioctl+0x3f/0xcf [i915] => drm_ioctl+0x29e/0x37b [drm] => do_vfs_ioctl+0x47e/0x4bf 701 instances order=3 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => scsi_sg_alloc+0x2d/0x2f => __sg_alloc_table+0x63/0x11c => scsi_alloc_sgtable+0x2a/0x4f => scsi_init_sgtable+0x21/0x61 => scsi_init_io+0x32/0x13b => scsi_setup_fs_cmnd+0xb9/0xbe => sd_prep_fn+0x27b/0xb6d => blk_peek_request+0xe1/0x1b6 189 instances order=2 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => get_request+0x180/0x262 => get_request_wait+0x35/0x193 => __make_request+0x2b4/0x400 => generic_make_request+0x2ae/0x328 => submit_bio+0xde/0xfd => submit_bh+0xe6/0x105 => __block_write_full_page+0x1e7/0x2d7 => block_write_full_page_endio+0x8a/0x97 1 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => inet_twsk_alloc+0x31/0x11e => tcp_time_wait+0xb9/0x29a => tcp_fin+0x7b/0x10f => tcp_data_queue+0x1e4/0x876 => tcp_rcv_state_process+0x880/0x8cf => tcp_v4_do_rcv+0x312/0x363 => tcp_v4_rcv+0x434/0x69b => ip_local_deliver_finish+0x13d/0x1ae => NF_HOOK.constprop.3+0x51/0x58 => ip_local_deliver+0x4f/0x54 1 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => __ext4_get_inode_loc+0x2ec/0x344 => ext4_iget+0x58/0x64c => ext4_lookup+0x93/0xf3 => d_alloc_and_lookup+0x45/0x6b => __lookup_hash+0x7f/0x88 9 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_REPEAT|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc_node+0x93/0x12d => __alloc_skb+0x40/0x133 => sock_alloc_send_pskb+0xb4/0x2d7 => sock_alloc_send_skb+0x15/0x17 => unix_stream_sendmsg+0x11e/0x2ec => __sock_sendmsg+0x69/0x76 => sock_aio_write+0xb9/0xc9 => do_sync_readv_writev+0xb9/0xfe => do_readv_writev+0xa7/0x11e => vfs_writev+0x45/0x47 => sys_writev+0x4a/0x93 1 instances order=3 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => sk_prot_alloc+0x37/0x13a => sk_alloc+0x2c/0x8e => unix_create1+0x4e/0x14d => unix_stream_connect+0x98/0x431 => sys_connect+0x98/0xd6 => system_call_fastpath+0x16/0x1b 5 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => get_empty_filp+0x7a/0x141 => alloc_file+0x1e/0xbf => create_read_pipe+0x2b/0x5b => do_pipe_flags+0x4e/0xf4 => sys_pipe2+0x1c/0x5c => sys_pipe+0x10/0x12 => system_call_fastpath+0x16/0x1b 6 instances order=3 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => __kmalloc_node_track_caller+0xcf/0x131 => __alloc_skb+0x75/0x133 => __netdev_alloc_skb+0x1f/0x3b => e1000_alloc_rx_buffers+0x8b/0x14e [e1000e] => e1000_clean_rx_irq+0x2a6/0x2df [e1000e] => e1000_clean+0x73/0x228 [e1000e] => net_rx_action+0xa9/0x1ac => __do_softirq+0xd2/0x19d => call_softirq+0x1c/0x30 => do_softirq+0x46/0x81 => irq_exit+0x49/0x8b 48 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => __page_cache_alloc+0x77/0x7e => grab_cache_page_write_begin+0x54/0x9e => ext4_da_write_begin+0x13f/0x20e => generic_file_buffered_write+0x109/0x23a => __generic_file_aio_write+0x242/0x272 => generic_file_aio_write+0x58/0xa6 => ext4_file_write+0x1dc/0x234 => do_sync_write+0xbf/0xff => vfs_write+0xac/0xf3 => sys_write+0x4a/0x6e => system_call_fastpath+0x16/0x1b 1 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => __page_cache_alloc+0x77/0x7e => __do_page_cache_readahead+0x9b/0x177 => ra_submit+0x21/0x25 => filemap_fault+0x17b/0x36c => __do_fault+0x55/0x377 => handle_pte_fault+0x2a7/0x7a5 => handle_mm_fault+0x1bb/0x1ce => do_page_fault+0x358/0x37a => page_fault+0x25/0x30 16 instances order=2 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => radix_tree_preload+0x31/0x81 => add_to_page_cache_locked+0x56/0x118 => add_to_page_cache_lru+0x2a/0x58 => do_read_cache_page+0x63/0x127 => read_cache_page_gfp+0x1e/0x28 => i915_gem_object_bind_to_gtt+0x249/0x45b [i915] => i915_gem_object_pin+0xc7/0x13c [i915] => i915_gem_execbuffer_reserve+0x1b1/0x2fc [i915] => i915_gem_do_execbuffer+0x45b/0x1116 [i915] => i915_gem_execbuffer2+0xcc/0x12e [i915] 409 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => jbd2_journal_commit_transaction+0x6e4/0x1052 => kjournald2+0xc9/0x20a => kthread+0x84/0x8c => kernel_thread_helper+0x4/0x10 4 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => clone_bio+0x41/0xdb => __split_and_process_bio+0x23d/0x4ea => dm_request+0x160/0x172 => generic_make_request+0x2ae/0x328 => submit_bio+0xde/0xfd => mpage_readpages+0xf0/0x104 => ext4_readpages+0x1d/0x1f 1 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => copy_vma+0xe3/0x1e9 => move_vma+0x8a/0x1fb => do_mremap+0x40e/0x46a => sys_mremap+0x54/0x76 => system_call_fastpath+0x16/0x1b 5 instances order=2 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => radix_tree_preload+0x31/0x81 => add_to_page_cache_locked+0x56/0x118 => add_to_page_cache_lru+0x2a/0x58 => do_read_cache_page+0x63/0x127 => read_cache_page_gfp+0x1e/0x28 => i915_gem_object_bind_to_gtt+0x249/0x45b [i915] => i915_gem_fault+0x85/0x18e [i915] => __do_fault+0x55/0x377 => handle_pte_fault+0x2a7/0x7a5 => handle_mm_fault+0x1bb/0x1ce 1 instances order=2 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => __kmalloc+0xb1/0x10d => kzalloc.constprop.1+0x13/0x15 [i915] => i915_gem_do_execbuffer+0x306/0x1116 [i915] => i915_gem_execbuffer2+0xcc/0x12e [i915] => drm_ioctl+0x29e/0x37b [drm] => do_vfs_ioctl+0x47e/0x4bf => sys_ioctl+0x56/0x7b => system_call_fastpath+0x16/0x1b 5 instances order=3 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => copy_process+0xc6/0x10c5 => do_fork+0x104/0x286 => sys_clone+0x28/0x2a => stub_clone+0x13/0x20 4 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => ext4_mb_init_cache+0x1e6/0x52b => ext4_mb_load_buddy+0x134/0x30f => ext4_mb_regular_allocator+0x13c/0x275 => ext4_mb_new_blocks+0x17f/0x3c2 => ext4_ext_map_blocks+0x192b/0x1b5b 102 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => ll_rw_block+0x84/0xa3 => __breadahead+0x2e/0x39 => __ext4_get_inode_loc+0x2c4/0x344 => ext4_iget+0x58/0x64c => ext4_lookup+0x93/0xf3 1 instances order=2 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => get_request+0x180/0x262 => get_request_wait+0x35/0x193 => __make_request+0x2b4/0x400 => generic_make_request+0x2ae/0x328 => submit_bio+0xde/0xfd => mpage_readpages+0xf0/0x104 => ext4_readpages+0x1d/0x1f => __do_page_cache_readahead+0x100/0x177 3 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => __split_vma+0x6c/0x21b => split_vma+0x20/0x22 => mprotect_fixup+0x105/0x65b => sys_mprotect+0x197/0x209 => system_call_fastpath+0x16/0x1b 14 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => scsi_pool_alloc_command+0x29/0x68 => scsi_host_alloc_command+0x1f/0x6b => __scsi_get_command+0x1b/0x96 => scsi_get_command+0x3d/0xa5 => scsi_setup_fs_cmnd+0x6e/0xbe => sd_prep_fn+0x27b/0xb6d => blk_peek_request+0xe1/0x1b6 => scsi_request_fn+0x82/0x421 => __generic_unplug_device+0x34/0x38 => generic_unplug_device+0x2d/0x3d 7 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => __split_vma+0x6c/0x21b => split_vma+0x20/0x22 => mprotect_fixup+0x125/0x65b => sys_mprotect+0x197/0x209 => system_call_fastpath+0x16/0x1b 1 instances order=2 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => radix_tree_preload+0x31/0x81 => add_to_page_cache_locked+0x56/0x118 => add_to_page_cache_lru+0x2a/0x58 => find_or_create_page+0x5a/0x8a => __getblk+0x137/0x23a => ext4_getblk+0x8e/0x153 => ext4_bread+0x16/0x66 => ext4_mkdir+0x159/0x33e => vfs_mkdir+0x5f/0x9b => sys_mkdirat+0x97/0xe8 4 instances order=3 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_REPEAT|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => __kmalloc_node_track_caller+0xcf/0x131 => __alloc_skb+0x75/0x133 => sock_alloc_send_pskb+0xb4/0x2d7 => sock_alloc_send_skb+0x15/0x17 => unix_stream_sendmsg+0x11e/0x2ec => __sock_sendmsg+0x69/0x76 => sock_sendmsg+0xa1/0xb6 => sys_sendmsg+0x237/0x2b5 => system_call_fastpath+0x16/0x1b 2 instances order=3 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_REPEAT|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => __kmalloc_node_track_caller+0xcf/0x131 => __alloc_skb+0x75/0x133 => sock_alloc_send_pskb+0xb4/0x2d7 => sock_alloc_send_skb+0x15/0x17 => unix_stream_sendmsg+0x11e/0x2ec => __sock_sendmsg+0x69/0x76 => sock_aio_write+0xb9/0xc9 => do_sync_readv_writev+0xb9/0xfe => do_readv_writev+0xa7/0x11e => vfs_writev+0x45/0x47 => sys_writev+0x4a/0x93 1 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => ext4_mb_init_cache+0x1e6/0x52b => ext4_mb_init_group+0x100/0x281 => ext4_mb_good_group+0x58/0xdb => ext4_mb_regular_allocator+0x125/0x275 => ext4_mb_new_blocks+0x17f/0x3c2 39 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => ll_rw_block+0x84/0xa3 => __breadahead+0x2e/0x39 => __ext4_get_inode_loc+0x2c4/0x344 => ext4_get_inode_loc+0x2e/0x33 => ext4_reserve_inode_write+0x26/0x83 66 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => scsi_sg_alloc+0x2d/0x2f => __sg_alloc_table+0x63/0x11c => scsi_alloc_sgtable+0x2a/0x4f => scsi_init_sgtable+0x21/0x61 => scsi_init_io+0x32/0x13b => scsi_setup_fs_cmnd+0xb9/0xbe => sd_prep_fn+0x27b/0xb6d => blk_peek_request+0xe1/0x1b6 2 instances order=2 normal gfp_flags=GFP_KERNEL|GFP_REPEAT|GFP_COMP => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => __page_cache_alloc+0x77/0x7e => do_read_cache_page+0x48/0x127 => read_cache_page_gfp+0x1e/0x28 => i915_gem_object_bind_to_gtt+0x249/0x45b [i915] => i915_gem_object_pin+0xc7/0x13c [i915] => i915_gem_execbuffer_reserve+0x1b1/0x2fc [i915] => i915_gem_do_execbuffer+0x45b/0x1116 [i915] => i915_gem_execbuffer2+0xcc/0x12e [i915] => drm_ioctl+0x29e/0x37b [drm] => do_vfs_ioctl+0x47e/0x4bf => sys_ioctl+0x56/0x7b => system_call_fastpath+0x16/0x1b 148 instances order=9 normal gfp_flags=GFP_HIGHUSER_MOVABLE|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_vma+0xf5/0xfa => khugepaged+0x543/0xf2d => kthread+0x84/0x8c => kernel_thread_helper+0x4/0x10 526 instances order=3 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => ext4_alloc_inode+0x1a/0x111 => alloc_inode+0x1d/0x78 => new_inode+0x1b/0x4b => ext4_new_inode+0xa1/0xcf2 => ext4_create+0xbc/0x13e => vfs_create+0x6c/0x8e => do_last+0x166/0x2df => do_filp_open+0x2ac/0x60a => do_sys_open+0x60/0xf2 => sys_openat+0x11/0x13 17 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => scsi_pool_alloc_command+0x29/0x68 => scsi_host_alloc_command+0x1f/0x6b => __scsi_get_command+0x1b/0x96 => scsi_get_command+0x3d/0xa5 => scsi_setup_fs_cmnd+0x6e/0xbe => sd_prep_fn+0x27b/0xb6d => blk_peek_request+0xe1/0x1b6 => scsi_request_fn+0x82/0x421 => __generic_unplug_device+0x34/0x38 => __make_request+0x3a3/0x400 43 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => ll_rw_block+0x84/0xa3 => __breadahead+0x2e/0x39 => __ext4_get_inode_loc+0x2c4/0x344 => ext4_get_inode_loc+0x2e/0x33 => ext4_xattr_get+0x57/0x213 1 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => __kmalloc+0xb1/0x10d => drm_malloc_ab+0x3b/0x53 [i915] => i915_gem_execbuffer2+0x4f/0x12e [i915] => drm_ioctl+0x29e/0x37b [drm] => do_vfs_ioctl+0x47e/0x4bf => sys_ioctl+0x56/0x7b => system_call_fastpath+0x16/0x1b 6 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mmap_region+0x1b7/0x446 => do_mmap_pgoff+0x298/0x2f2 => sys_mmap_pgoff+0x115/0x164 => sys_mmap+0x22/0x24 => system_call_fastpath+0x16/0x1b 763 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => get_empty_filp+0x7a/0x141 => do_filp_open+0xe7/0x60a => do_sys_open+0x60/0xf2 => sys_open+0x20/0x22 => system_call_fastpath+0x16/0x1b 59 instances order=3 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => ext4_alloc_inode+0x1a/0x111 => alloc_inode+0x1d/0x78 => new_inode+0x1b/0x4b => ext4_new_inode+0xa1/0xcf2 => ext4_mkdir+0x10b/0x33e => vfs_mkdir+0x5f/0x9b => sys_mkdirat+0x97/0xe8 => system_call_fastpath+0x16/0x1b 83 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => dup_mm+0x1f8/0x486 => copy_process+0x917/0x10c5 => do_fork+0x104/0x286 => sys_clone+0x28/0x2a => stub_clone+0x13/0x20 4 instances order=3 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => bvec_alloc_bs+0xae/0xcc => bio_alloc_bioset+0x75/0xc3 => bio_alloc+0x15/0x24 => mpage_alloc+0x2a/0x84 => do_mpage_readpage+0x38c/0x468 => mpage_readpages+0xbe/0x104 => ext4_readpages+0x1d/0x1f => __do_page_cache_readahead+0x100/0x177 => ra_submit+0x21/0x25 => ondemand_readahead+0x1c9/0x1d8 33 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => scsi_pool_alloc_command+0x29/0x68 => scsi_host_alloc_command+0x1f/0x6b => __scsi_get_command+0x1b/0x96 => scsi_get_command+0x3d/0xa5 => scsi_setup_fs_cmnd+0x6e/0xbe => sd_prep_fn+0x27b/0xb6d => blk_peek_request+0xe1/0x1b6 => scsi_request_fn+0x82/0x421 => __generic_unplug_device+0x34/0x38 => elv_insert+0x172/0x17b 1 instances order=1 normal gfp_flags=GFP_KERNEL => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_vma+0xf5/0xfa => do_wp_page+0x348/0x560 => handle_pte_fault+0x73b/0x7a5 => handle_mm_fault+0x1bb/0x1ce => do_page_fault+0x358/0x37a => page_fault+0x25/0x30 1 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => d_alloc+0x26/0x18d => d_alloc_and_lookup+0x2c/0x6b => do_lookup+0x23a/0x287 => link_path_walk+0x239/0x3b8 => do_path_lookup+0x4d/0xf6 => do_filp_open+0x129/0x60a => do_sys_open+0x60/0xf2 => sys_open+0x20/0x22 => system_call_fastpath+0x16/0x1b 1 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => __ext4_get_inode_loc+0x2ec/0x344 => ext4_get_inode_loc+0x2e/0x33 => ext4_xattr_get+0x57/0x213 => ext4_xattr_security_get+0x2a/0x2c => generic_getxattr+0x57/0x60 1 instances order=3 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => __kmalloc+0xb1/0x10d => kcalloc+0x38/0x3a => security_get_user_sids+0x1c2/0x369 => sel_write_user+0xd6/0x19d => selinux_transaction_write+0x5b/0x77 => vfs_write+0xac/0xf3 => sys_write+0x4a/0x6e => system_call_fastpath+0x16/0x1b 15 instances order=2 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => proc_alloc_inode+0x20/0x91 => alloc_inode+0x1d/0x78 => new_inode+0x1b/0x4b => proc_pid_make_inode+0x14/0xb7 => proc_pident_instantiate+0x22/0xb1 => proc_pident_lookup+0x84/0xa3 => proc_tgid_base_lookup+0x1a/0x1c => d_alloc_and_lookup+0x45/0x6b => do_lookup+0x23a/0x287 => link_path_walk+0x239/0x3b8 213 instances order=1 normal gfp_flags=GFP_KERNEL => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => __get_free_pages+0xe/0x4a => copy_process+0xe1/0x10c5 => do_fork+0x104/0x286 => sys_clone+0x28/0x2a => stub_clone+0x13/0x20 140162 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => __block_write_full_page+0x1e7/0x2d7 => block_write_full_page_endio+0x8a/0x97 => block_write_full_page+0x15/0x17 => mpage_da_submit_io+0x31a/0x395 => mpage_da_map_and_submit+0x2ca/0x2e0 2 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => d_alloc+0x26/0x18d => d_alloc_and_lookup+0x2c/0x6b => __lookup_hash+0x7f/0x88 => lookup_hash+0x19/0x1b => lookup_create+0x4e/0x94 => sys_mkdirat+0x43/0xe8 => system_call_fastpath+0x16/0x1b 53 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => clone_bio+0x41/0xdb => __split_and_process_bio+0x23d/0x4ea => dm_request+0x160/0x172 => generic_make_request+0x2ae/0x328 => submit_bio+0xde/0xfd => submit_bh+0xe6/0x105 => jbd2_journal_commit_transaction+0x6e4/0x1052 31 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => scsi_pool_alloc_command+0x29/0x68 => scsi_host_alloc_command+0x1f/0x6b => __scsi_get_command+0x1b/0x96 => scsi_get_command+0x3d/0xa5 => scsi_setup_fs_cmnd+0x6e/0xbe => sd_prep_fn+0x27b/0xb6d => blk_peek_request+0xe1/0x1b6 => scsi_request_fn+0x82/0x421 => __blk_run_queue+0x4a/0x7a => blk_run_queue+0x28/0x3c 1 instances order=3 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => __page_cache_alloc+0x77/0x7e => grab_cache_page_write_begin+0x54/0x9e => ext4_da_write_begin+0x13f/0x20e => generic_file_buffered_write+0x109/0x23a => __generic_file_aio_write+0x242/0x272 => generic_file_aio_write+0x58/0xa6 => ext4_file_write+0x1dc/0x234 => do_sync_write+0xbf/0xff => vfs_write+0xac/0xf3 => sys_write+0x4a/0x6e => system_call_fastpath+0x16/0x1b 8 instances order=2 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_REPEAT|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => __kmalloc_node_track_caller+0xcf/0x131 => __alloc_skb+0x75/0x133 => sock_alloc_send_pskb+0xb4/0x2d7 => sock_alloc_send_skb+0x15/0x17 => unix_stream_sendmsg+0x11e/0x2ec => __sock_sendmsg+0x69/0x76 => sock_aio_write+0xb9/0xc9 => do_sync_readv_writev+0xb9/0xfe => do_readv_writev+0xa7/0x11e => vfs_writev+0x45/0x47 => sys_writev+0x4a/0x93 2 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => __get_free_pages+0xe/0x4a => __pollwait+0x5e/0xcc => sock_poll_wait+0x18/0x1d => unix_poll+0x1c/0x9a => sock_poll+0x1a/0x1c => do_sys_poll+0x1fa/0x386 => sys_poll+0x51/0xbb => system_call_fastpath+0x16/0x1b 2 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_REPEAT|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc_node+0x93/0x12d => __alloc_skb+0x40/0x133 => sock_alloc_send_pskb+0xb4/0x2d7 => sock_alloc_send_skb+0x15/0x17 => unix_stream_sendmsg+0x11e/0x2ec => __sock_sendmsg+0x69/0x76 => sock_sendmsg+0xa1/0xb6 => sys_sendmsg+0x237/0x2b5 => system_call_fastpath+0x16/0x1b 3 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => get_empty_filp+0x7a/0x141 => alloc_file+0x1e/0xbf => create_write_pipe+0x151/0x1bf => do_pipe_flags+0x32/0xf4 => sys_pipe2+0x1c/0x5c => sys_pipe+0x10/0x12 => system_call_fastpath+0x16/0x1b 1 instances order=3 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => dup_fd+0x33/0x25f => copy_process+0x5b8/0x10c5 => do_fork+0x104/0x286 => sys_clone+0x28/0x2a => stub_clone+0x13/0x20 2 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => __ext4_get_inode_loc+0x2ec/0x344 => ext4_get_inode_loc+0x2e/0x33 => ext4_xattr_set_handle+0xca/0x3f0 => ext4_init_security+0x61/0x82 => ext4_new_inode+0xb69/0xcf2 1 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => skb_clone+0x50/0x70 => dev_hard_start_xmit+0xd1/0x535 => sch_direct_xmit+0x6b/0x147 => dev_queue_xmit+0x2ac/0x461 => neigh_resolve_output+0x205/0x236 => ip_finish_output2+0x1cc/0x20f => ip_finish_output+0x65/0x6a => ip_output+0x8c/0x91 => dst_output+0x14/0x16 => ip_local_out+0x20/0x24 3 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => __get_free_pages+0xe/0x4a => __pollwait+0x5e/0xcc => sock_poll_wait+0x18/0x1d => unix_poll+0x1c/0x9a => sock_poll+0x1a/0x1c => do_select+0x2fb/0x4f5 => core_sys_select+0x163/0x202 => sys_select+0x91/0xb9 => system_call_fastpath+0x16/0x1b 2 instances order=3 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => bvec_alloc_bs+0xae/0xcc => bio_alloc_bioset+0x75/0xc3 => bio_alloc+0x15/0x24 => mpage_alloc+0x2a/0x84 => do_mpage_readpage+0x38c/0x468 => mpage_readpages+0xbe/0x104 => ext4_readpages+0x1d/0x1f => __do_page_cache_readahead+0x100/0x177 => ra_submit+0x21/0x25 => filemap_fault+0x17b/0x36c 1 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => get_empty_filp+0x7a/0x141 => do_filp_open+0xe7/0x60a => open_exec+0x26/0x82 => load_elf_binary+0x1df/0x175f => search_binary_handler+0xb6/0x22e => do_execve+0x17e/0x277 => sys_execve+0x43/0x5a => stub_execve+0x6c/0xc0 210 instances order=2 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => radix_tree_preload+0x31/0x81 => add_to_page_cache_locked+0x56/0x118 => add_to_page_cache_lru+0x2a/0x58 => grab_cache_page_write_begin+0x6d/0x9e => ext4_da_write_begin+0x13f/0x20e => generic_file_buffered_write+0x109/0x23a => __generic_file_aio_write+0x242/0x272 => generic_file_aio_write+0x58/0xa6 => ext4_file_write+0x1dc/0x234 => do_sync_write+0xbf/0xff 6 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => get_empty_filp+0x7a/0x141 => do_filp_open+0xe7/0x60a => do_sys_open+0x60/0xf2 => sys_openat+0x11/0x13 => system_call_fastpath+0x16/0x1b 8 instances order=9 normal gfp_flags=GFP_HIGHUSER_MOVABLE|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_vma+0xf5/0xfa => do_huge_pmd_anonymous_page+0xbf/0x261 => handle_mm_fault+0x113/0x1ce => do_page_fault+0x358/0x37a => page_fault+0x25/0x30 4 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => clone_bio+0x41/0xdb => __split_and_process_bio+0x23d/0x4ea => dm_request+0x160/0x172 => generic_make_request+0x2ae/0x328 => submit_bio+0xde/0xfd => submit_bh+0xe6/0x105 => ll_rw_block+0x84/0xa3 5 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => __ext4_get_inode_loc+0x2ec/0x344 => ext4_iget+0x58/0x64c => ext4_lookup+0x93/0xf3 => d_alloc_and_lookup+0x45/0x6b => do_lookup+0x23a/0x287 257 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => __block_write_full_page+0x1e7/0x2d7 => block_write_full_page_endio+0x8a/0x97 => block_write_full_page+0x15/0x17 => ext4_writepage+0x201/0x210 => shrink_page_list+0x3c7/0x6de 809 instances order=2 normal gfp_flags=GFP_KERNEL|GFP_REPEAT|GFP_COMP => __alloc_pages_nodemask+0x754/0x792 => kmalloc_large_node+0x56/0x95 => __kmalloc_node_track_caller+0x31/0x131 => __alloc_skb+0x75/0x133 => sock_alloc_send_pskb+0xb4/0x2d7 => sock_alloc_send_skb+0x15/0x17 => unix_stream_sendmsg+0x11e/0x2ec => __sock_sendmsg+0x69/0x76 => sock_aio_write+0xb9/0xc9 => do_sync_readv_writev+0xb9/0xfe => do_readv_writev+0xa7/0x11e => vfs_writev+0x45/0x47 => sys_writev+0x4a/0x93 => system_call_fastpath+0x16/0x1b 2 instances order=3 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => ext4_alloc_inode+0x1a/0x111 => alloc_inode+0x1d/0x78 => iget_locked+0x61/0xdd => ext4_iget+0x2c/0x64c => ext4_lookup+0x93/0xf3 => d_alloc_and_lookup+0x45/0x6b => do_lookup+0x23a/0x287 => link_path_walk+0x239/0x3b8 => do_path_lookup+0x4d/0xf6 => do_filp_open+0x129/0x60a 1 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => get_empty_filp+0x7a/0x141 => alloc_file+0x1e/0xbf => shmem_file_setup+0x125/0x160 => drm_gem_object_init+0x34/0x61 [drm] => i915_gem_alloc_object+0x41/0x111 [i915] => i915_gem_create_ioctl+0x3f/0xcf [i915] => drm_ioctl+0x29e/0x37b [drm] => do_vfs_ioctl+0x47e/0x4bf => sys_ioctl+0x56/0x7b => system_call_fastpath+0x16/0x1b 99 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => mpage_alloc+0x2a/0x84 => do_mpage_readpage+0x38c/0x468 => mpage_readpages+0xbe/0x104 => ext4_readpages+0x1d/0x1f => __do_page_cache_readahead+0x100/0x177 => ra_submit+0x21/0x25 24 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => __page_cache_alloc+0x77/0x7e => __do_page_cache_readahead+0x9b/0x177 => ra_submit+0x21/0x25 => ondemand_readahead+0x1c9/0x1d8 => page_cache_async_readahead+0x7b/0xa3 => generic_file_aio_read+0x2bd/0x5e0 => do_sync_read+0xbf/0xff => vfs_read+0xa9/0xf0 => sys_read+0x4a/0x6e => system_call_fastpath+0x16/0x1b 21 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => prepare_creds+0x26/0xae => sys_faccessat+0x37/0x162 => sys_access+0x18/0x1a => system_call_fastpath+0x16/0x1b 1 instances order=2 normal gfp_flags=GFP_KERNEL|GFP_COMP|GFP_ZERO => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => __get_free_pages+0xe/0x4a => kmalloc_order_trace+0x2c/0x5e => __kmalloc+0x37/0x10d => kzalloc.constprop.19+0xe/0x10 => tracing_open_pipe+0x40/0x147 => __dentry_open+0x161/0x283 => nameidata_to_filp+0x60/0x67 => finish_open+0xa1/0x17f => do_filp_open+0x186/0x60a => do_sys_open+0x60/0xf2 => sys_open+0x20/0x22 => system_call_fastpath+0x16/0x1b 1 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => clone_bio+0x41/0xdb => __split_and_process_bio+0x23d/0x4ea => dm_request+0x160/0x172 => generic_make_request+0x2ae/0x328 => submit_bio+0xde/0xfd => do_mpage_readpage+0x34a/0x468 => mpage_readpages+0xbe/0x104 2 instances order=2 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => radix_tree_preload+0x31/0x81 => add_to_page_cache_locked+0x56/0x118 => add_to_page_cache_lru+0x2a/0x58 => find_or_create_page+0x5a/0x8a => __getblk+0x137/0x23a => __ext4_get_inode_loc+0x118/0x344 => ext4_get_inode_loc+0x2e/0x33 => ext4_xattr_set_handle+0xca/0x3f0 => ext4_init_security+0x61/0x82 => ext4_new_inode+0xb69/0xcf2 8 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => ll_rw_block+0x84/0xa3 => __breadahead+0x2e/0x39 => __ext4_get_inode_loc+0x2c4/0x344 => ext4_get_inode_loc+0x2e/0x33 => ext4_xattr_set_handle+0xca/0x3f0 58 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => d_alloc+0x26/0x18d => d_alloc_and_lookup+0x2c/0x6b => __lookup_hash+0x7f/0x88 => lookup_hash+0x19/0x1b => do_last+0xcf/0x2df => do_filp_open+0x2ac/0x60a => do_sys_open+0x60/0xf2 => sys_openat+0x11/0x13 => system_call_fastpath+0x16/0x1b 5 instances order=2 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => radix_tree_preload+0x31/0x81 => add_to_page_cache_locked+0x56/0x118 => add_to_page_cache_lru+0x2a/0x58 => mpage_readpages+0x99/0x104 => ext4_readpages+0x1d/0x1f => __do_page_cache_readahead+0x100/0x177 => ondemand_readahead+0x15a/0x1d8 => page_cache_sync_readahead+0x3d/0x40 => generic_file_aio_read+0x27d/0x5e0 => do_sync_read+0xbf/0xff 2 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => get_empty_filp+0x7a/0x141 => alloc_file+0x1e/0xbf => create_read_pipe+0x2b/0x5b => do_pipe_flags+0x4e/0xf4 => sys_pipe2+0x1c/0x5c => system_call_fastpath+0x16/0x1b 9 instances order=1 normal gfp_flags=GFP_KERNEL => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => __get_free_pages+0xe/0x4a => copy_process+0xe1/0x10c5 => do_fork+0x104/0x286 => kernel_thread+0x75/0x77 => kthreadd+0xe7/0x124 => kernel_thread_helper+0x4/0x10 1 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => __page_cache_alloc+0x77/0x7e => grab_cache_page_write_begin+0x54/0x9e => ext4_da_write_begin+0x13f/0x20e => generic_file_buffered_write+0x109/0x23a => __generic_file_aio_write+0x242/0x272 => generic_file_aio_write+0x58/0xa6 => ext4_file_write+0x1dc/0x234 => do_sync_write+0xbf/0xff => vfs_write+0xac/0xf3 => sys_write+0x4a/0x6e => system_call_fastpath+0x16/0x1b 1 instances order=3 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => __kmalloc+0xb1/0x10d => drm_malloc_ab+0x3b/0x53 [i915] => i915_gem_do_execbuffer+0x64a/0x1116 [i915] => i915_gem_execbuffer2+0xcc/0x12e [i915] => drm_ioctl+0x29e/0x37b [drm] => do_vfs_ioctl+0x47e/0x4bf => sys_ioctl+0x56/0x7b => system_call_fastpath+0x16/0x1b 1 instances order=2 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => dst_alloc+0x48/0xaa => __ip_route_output_key+0x561/0x764 => tcp_v4_connect+0x121/0x47d => inet_stream_connect+0xa8/0x25f => sys_connect+0x98/0xd6 => system_call_fastpath+0x16/0x1b 1 instances order=2 normal gfp_flags=GFP_KERNEL|GFP_REPEAT|GFP_COMP => __alloc_pages_nodemask+0x754/0x792 => kmalloc_large_node+0x56/0x95 => __kmalloc_node_track_caller+0x31/0x131 => __alloc_skb+0x75/0x133 => sock_alloc_send_pskb+0xb4/0x2d7 => sock_alloc_send_skb+0x15/0x17 => unix_stream_sendmsg+0x11e/0x2ec => __sock_sendmsg+0x69/0x76 => sock_aio_write+0xb9/0xc9 => do_sync_write+0xbf/0xff => vfs_write+0xb3/0xf3 => sys_write+0x4a/0x6e => system_call_fastpath+0x16/0x1b 1 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => __nf_conntrack_alloc+0xc9/0x1af => nf_conntrack_in+0x2f6/0x77a => ipv4_conntrack_local+0x46/0x4a => nf_iterate+0x48/0x83 => nf_hook_slow+0x6a/0xe9 => nf_hook_thresh.constprop.8+0x42/0x44 => __ip_local_out+0x49/0x4d => ip_local_out+0x13/0x24 => ip_queue_xmit+0x2b3/0x30e => tcp_transmit_skb+0x708/0x739 1 instances order=2 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => dst_alloc+0x48/0xaa => __ip_route_output_key+0x561/0x764 => ip_route_output_flow+0x2c/0x1ea => ip4_datagram_connect+0x18d/0x298 => inet_dgram_connect+0x65/0x6c => sys_connect+0x98/0xd6 => system_call_fastpath+0x16/0x1b 1 instances order=9 normal gfp_flags=GFP_HIGHUSER_MOVABLE|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_vma+0xf5/0xfa => do_huge_pmd_wp_page+0x15a/0x637 => handle_mm_fault+0x169/0x1ce => do_page_fault+0x358/0x37a => page_fault+0x25/0x30 1 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => __page_cache_alloc+0x77/0x7e => find_or_create_page+0x41/0x8a => __getblk+0x137/0x23a => __breadahead+0x12/0x39 => __ext4_get_inode_loc+0x2c4/0x344 => ext4_iget+0x58/0x64c => ext4_lookup+0x93/0xf3 => d_alloc_and_lookup+0x45/0x6b => do_lookup+0x23a/0x287 => link_path_walk+0x239/0x3b8 => do_path_lookup+0x4d/0xf6 => user_path_at+0x57/0x94 => sys_faccessat+0xa0/0x162 => sys_access+0x18/0x1a 2 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => d_alloc+0x26/0x18d => shmem_file_setup+0xb6/0x160 => drm_gem_object_init+0x34/0x61 [drm] => i915_gem_alloc_object+0x41/0x111 [i915] => i915_gem_create_ioctl+0x3f/0xcf [i915] => drm_ioctl+0x29e/0x37b [drm] => do_vfs_ioctl+0x47e/0x4bf => sys_ioctl+0x56/0x7b => system_call_fastpath+0x16/0x1b 416 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => bio_alloc+0x15/0x24 => submit_bh+0x6d/0x105 => __block_write_full_page+0x1e7/0x2d7 => block_write_full_page_endio+0x8a/0x97 => block_write_full_page+0x15/0x17 => blkdev_writepage+0x18/0x1a => __writepage+0x15/0x2e 13 instances order=2 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => radix_tree_preload+0x31/0x81 => add_to_page_cache_locked+0x56/0x118 => add_to_page_cache_lru+0x2a/0x58 => mpage_readpages+0x99/0x104 => ext4_readpages+0x1d/0x1f => __do_page_cache_readahead+0x100/0x177 => ra_submit+0x21/0x25 => filemap_fault+0x17b/0x36c => __do_fault+0x55/0x377 => handle_pte_fault+0x2a7/0x7a5 58 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => bvec_alloc_bs+0xae/0xcc => bio_alloc_bioset+0x75/0xc3 => clone_bio+0x41/0xdb => __split_and_process_bio+0x23d/0x4ea => dm_request+0x160/0x172 => generic_make_request+0x2ae/0x328 => submit_bio+0xde/0xfd => do_mpage_readpage+0x34a/0x468 => mpage_readpages+0xbe/0x104 => ext4_readpages+0x1d/0x1f 1 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => d_alloc+0x26/0x18d => d_alloc_and_lookup+0x2c/0x6b => __lookup_hash+0x7f/0x88 => lookup_hash+0x19/0x1b => do_last+0xcf/0x2df => do_filp_open+0x2ac/0x60a => do_sys_open+0x60/0xf2 => sys_open+0x20/0x22 => system_call_fastpath+0x16/0x1b 7727 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => mempool_alloc_slab+0x15/0x17 => mempool_alloc+0x68/0x116 => bio_alloc_bioset+0x35/0xc3 => clone_bio+0x41/0xdb => __split_and_process_bio+0x23d/0x4ea => dm_request+0x160/0x172 => generic_make_request+0x2ae/0x328 => submit_bio+0xde/0xfd => submit_bh+0xe6/0x105 => __block_write_full_page+0x1e7/0x2d7 1 instances order=1 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => __split_vma+0x6c/0x21b => do_munmap+0x194/0x30b => mmap_region+0x9b/0x446 => do_mmap_pgoff+0x298/0x2f2 => sys_mmap_pgoff+0x115/0x164 => sys_mmap+0x22/0x24 => system_call_fastpath+0x16/0x1b 1 instances order=1 normal gfp_flags=GFP_KERNEL => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => __get_free_pages+0xe/0x4a => copy_process+0xe1/0x10c5 => do_fork+0x104/0x286 => kernel_thread+0x75/0x77 => __call_usermodehelper+0x43/0x76 => process_one_work+0x186/0x298 => worker_thread+0xda/0x15d => kthread+0x84/0x8c => kernel_thread_helper+0x4/0x10 18 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => bvec_alloc_bs+0xae/0xcc => bio_alloc_bioset+0x75/0xc3 => clone_bio+0x41/0xdb => __split_and_process_bio+0x23d/0x4ea => dm_request+0x160/0x172 => generic_make_request+0x2ae/0x328 => submit_bio+0xde/0xfd => mpage_readpages+0xf0/0x104 => ext4_readpages+0x1d/0x1f => __do_page_cache_readahead+0x100/0x177 1 instances order=3 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => ext4_alloc_inode+0x1a/0x111 => alloc_inode+0x1d/0x78 => iget_locked+0x61/0xdd => ext4_iget+0x2c/0x64c => ext4_lookup+0x93/0xf3 => d_alloc_and_lookup+0x45/0x6b => do_lookup+0x23a/0x287 => link_path_walk+0x14b/0x3b8 => do_filp_open+0x1eb/0x60a => do_sys_open+0x60/0xf2 1 instances order=2 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => radix_tree_preload+0x31/0x81 => add_to_page_cache_locked+0x56/0x118 => add_to_page_cache_lru+0x2a/0x58 => find_or_create_page+0x5a/0x8a => ext4_mb_load_buddy+0x1f7/0x30f => ext4_free_blocks+0x41d/0x6ba => ext4_ext_truncate+0x361/0x78a => ext4_truncate+0xa1/0x4d9 => ext4_evict_inode+0x13f/0x228 => evict+0x21/0x89 149 instances order=2 normal gfp_flags=GFP_IO|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE| => __alloc_pages_nodemask+0x754/0x792 => alloc_pages_current+0xbe/0xd8 => alloc_slab_page+0x1c/0x4d => new_slab+0x50/0x199 => __slab_alloc+0x24a/0x328 => kmem_cache_alloc+0x77/0x105 => radix_tree_preload+0x31/0x81 => add_to_page_cache_locked+0x56/0x118 => add_to_page_cache_lru+0x2a/0x58 => mpage_readpages+0x99/0x104 => ext4_readpages+0x1d/0x1f => __do_page_cache_readahead+0x100/0x177 => ra_submit+0x21/0x25 => ondemand_readahead+0x1c9/0x1d8 => page_cache_async_readahead+0x7b/0xa3 => generic_file_aio_read+0x2bd/0x5e0 High-order normal allocations: 152966 High-order atomic allocations: 875 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/