Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750712AbWBISzM (ORCPT ); Thu, 9 Feb 2006 13:55:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750715AbWBISzL (ORCPT ); Thu, 9 Feb 2006 13:55:11 -0500 Received: from omx2-ext.sgi.com ([192.48.171.19]:39817 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S1750713AbWBISy6 (ORCPT ); Thu, 9 Feb 2006 13:54:58 -0500 From: Paul Jackson To: akpm@osdl.org Cc: dgc@sgi.com, steiner@sgi.com, Simon.Derr@bull.net, ak@suse.de, linux-kernel@vger.kernel.org, Paul Jackson , clameter@sgi.com Date: Thu, 09 Feb 2006 10:54:52 -0800 Message-Id: <20060209185452.8596.33015.sendpatchset@jackhammer.engr.sgi.com> In-Reply-To: <20060209185418.8596.90838.sendpatchset@jackhammer.engr.sgi.com> References: <20060209185418.8596.90838.sendpatchset@jackhammer.engr.sgi.com> Subject: [PATCH v2 07/07] cpuset memory spread slab cache hooks Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3397 Lines: 92 From: Paul Jackson Change the kmem_cache_create calls for certain slab caches to support cpuset memory spreading. See the previous patches, cpuset_mem_spread, for an explanation of cpuset memory spreading, and cpuset_mem_spread_slab_cache for the slab cache support for memory spreading. The slag caches marked for now are: dentry_cache, inode_cache, some xfs slab caches, and buffer_head. This list may change over time. In particular, other file system types that are used extensively on large NUMA systems may want to allow for spreading their directory and inode slab cache entries. Signed-off-by: Paul Jackson --- fs/buffer.c | 7 +++++-- fs/dcache.c | 3 ++- fs/inode.c | 9 +++++++-- fs/xfs/linux-2.6/kmem.h | 2 +- 4 files changed, 15 insertions(+), 6 deletions(-) --- v2.6.16-rc2.orig/fs/dcache.c 2006-02-08 22:48:26.000000000 -0800 +++ v2.6.16-rc2/fs/dcache.c 2006-02-08 22:48:31.000000000 -0800 @@ -1682,7 +1682,8 @@ static void __init dcache_init(unsigned dentry_cache = kmem_cache_create("dentry_cache", sizeof(struct dentry), 0, - SLAB_RECLAIM_ACCOUNT|SLAB_PANIC, + (SLAB_RECLAIM_ACCOUNT|SLAB_PANIC| + SLAB_MEM_SPREAD), NULL, NULL); set_shrinker(DEFAULT_SEEKS, shrink_dcache_memory); --- v2.6.16-rc2.orig/fs/inode.c 2006-02-08 22:48:26.000000000 -0800 +++ v2.6.16-rc2/fs/inode.c 2006-02-08 22:48:31.000000000 -0800 @@ -1375,8 +1375,13 @@ void __init inode_init(unsigned long mem int loop; /* inode slab cache */ - inode_cachep = kmem_cache_create("inode_cache", sizeof(struct inode), - 0, SLAB_RECLAIM_ACCOUNT|SLAB_PANIC, init_once, NULL); + inode_cachep = kmem_cache_create("inode_cache", + sizeof(struct inode), + 0, + (SLAB_RECLAIM_ACCOUNT|SLAB_PANIC| + SLAB_MEM_SPREAD), + init_once, + NULL); set_shrinker(DEFAULT_SEEKS, shrink_icache_memory); /* Hash may have been set up in inode_init_early */ --- v2.6.16-rc2.orig/fs/buffer.c 2006-02-08 22:48:26.000000000 -0800 +++ v2.6.16-rc2/fs/buffer.c 2006-02-08 22:48:31.000000000 -0800 @@ -3203,8 +3203,11 @@ void __init buffer_init(void) int nrpages; bh_cachep = kmem_cache_create("buffer_head", - sizeof(struct buffer_head), 0, - SLAB_RECLAIM_ACCOUNT|SLAB_PANIC, init_buffer_head, NULL); + sizeof(struct buffer_head), 0, + (SLAB_RECLAIM_ACCOUNT|SLAB_PANIC| + SLAB_MEM_SPREAD), + init_buffer_head, + NULL); /* * Limit the bh occupancy to 10% of ZONE_NORMAL --- v2.6.16-rc2.orig/fs/xfs/linux-2.6/kmem.h 2006-02-08 23:21:56.000000000 -0800 +++ v2.6.16-rc2/fs/xfs/linux-2.6/kmem.h 2006-02-08 23:38:05.000000000 -0800 @@ -102,7 +102,7 @@ extern void kmem_free(void *, size_t); #define KM_ZONE_HWALIGN SLAB_HWCACHE_ALIGN #define KM_ZONE_RECLAIM SLAB_RECLAIM_ACCOUNT -#define KM_ZONE_SPREAD 0 +#define KM_ZONE_SPREAD SLAB_MEM_SPREAD #define kmem_zone kmem_cache #define kmem_zone_t struct kmem_cache -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.650.933.1373 - 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/