Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759069AbZF2M7c (ORCPT ); Mon, 29 Jun 2009 08:59:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752918AbZF2M7Y (ORCPT ); Mon, 29 Jun 2009 08:59:24 -0400 Received: from mga14.intel.com ([143.182.124.37]:1556 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751486AbZF2M7Y (ORCPT ); Mon, 29 Jun 2009 08:59:24 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.42,309,1243839600"; d="scan'208";a="159576406" Date: Mon, 29 Jun 2009 20:59:11 +0800 From: Wu Fengguang To: David Howells Cc: KOSAKI Motohiro , Minchan Kim , Johannes Weiner , "riel@redhat.com" , Andrew Morton , LKML , Christoph Lameter , "peterz@infradead.org" , "tytso@mit.edu" , "linux-mm@kvack.org" , "elladan@eskimo.com" , "npiggin@suse.de" , "Barnes, Jesse" , KAMEZAWA Hiroyuki Subject: Re: Found the commit that causes the OOMs Message-ID: <20090629125911.GB22932@localhost> References: <2015.1245341938@redhat.com> <20090618095729.d2f27896.akpm@linux-foundation.org> <7561.1245768237@redhat.com> <26537.1246086769@redhat.com> <20090627125412.GA1667@cmpxchg.org> <20090628113246.GA18409@localhost> <28c262360906280630n557bb182n5079e33d21ea4a83@mail.gmail.com> <2f11576a0906280749v25ab725dn8f98fbc1d2e5a5fd@mail.gmail.com> <28c262360906280947o6f9358ddh20ab549e875282a9@mail.gmail.com> <17087.1246279435@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <17087.1246279435@redhat.com> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2968 Lines: 65 On Mon, Jun 29, 2009 at 08:43:55PM +0800, David Howells wrote: > KOSAKI Motohiro wrote: > > > David, Can you please try to following patch? it was posted to LKML > > about 1-2 week ago. > > > > Subject "[BUGFIX][PATCH] fix lumpy reclaim lru handiling at > > isolate_lru_pages v2" > > It is already committed, but I ran a test on the latest Linus kernel anyway: page-types showed that there are only ~1MB mapped regular (non-tmpfs) file pages. So not surprisingly it didn't help. > msgctl11 invoked oom-killer: gfp_mask=0xd0, order=1, oom_adj=0 > msgctl11 cpuset=/ mems_allowed=0 > Pid: 20366, comm: msgctl11 Not tainted 2.6.31-rc1-cachefs #144 > Call Trace: > [] ? oom_kill_process.clone.0+0xa9/0x245 > [] ? __out_of_memory+0x12b/0x142 > [] ? out_of_memory+0x6a/0x94 > [] ? __alloc_pages_nodemask+0x42e/0x51d > [] ? copy_process+0x95/0x114f > [] ? __get_free_pages+0x12/0x4f > [] ? copy_process+0xb8/0x114f > [] ? handle_mm_fault+0x5dd/0x62f > [] ? do_fork+0x13f/0x2ba > [] ? do_page_fault+0x1f8/0x20d > [] ? stub_clone+0x13/0x20 > [] ? system_call_fastpath+0x16/0x1b > Mem-Info: > DMA per-cpu: > CPU 0: hi: 0, btch: 1 usd: 0 > CPU 1: hi: 0, btch: 1 usd: 0 > DMA32 per-cpu: > CPU 0: hi: 186, btch: 31 usd: 159 > CPU 1: hi: 186, btch: 31 usd: 2 > Active_anon:70477 active_file:1 inactive_anon:4514 > inactive_file:7 unevictable:0 dirty:0 writeback:0 unstable:0 > free:1954 slab:42078 mapped:237 pagetables:57791 bounce:0 > DMA free:3932kB min:60kB low:72kB high:88kB active_anon:236kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB present:15364kB pages_scanned:0 all_unreclaimable? no > lowmem_reserve[]: 0 968 968 968 > DMA32 free:3884kB min:3948kB low:4932kB high:5920kB active_anon:281672kB inactive_anon:18056kB active_file:0kB inactive_file:24kB unevictable:0kB present:992032kB pages_scanned:6 all_unreclaimable? no > lowmem_reserve[]: 0 0 0 0 > DMA: 180*4kB 36*8kB 3*16kB 0*32kB 1*64kB 0*128kB 1*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 3936kB > DMA32: 491*4kB 0*8kB 0*16kB 0*32kB 0*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 3884kB > 1808 total pagecache pages > 0 pages in swap cache > Swap cache stats: add 0, delete 0, find 0/0 > Free swap = 0kB > Total swap = 0kB > 255744 pages RAM > 5589 pages reserved > 249340 pages shared > 219039 pages non-shared > Out of memory: kill process 11471 (msgctl11) score 112393 or a child > Killed process 12318 (msgctl11) > > > David -- 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/