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[PATCH] cpuset memory spread slab cache hooks

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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 slab 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 <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Paul Jackson
2006-03-24 03:16:09 -08:00
committed by Linus Torvalds
parent c61afb181c
commit b0196009d8
4 changed files with 15 additions and 6 deletions
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2
fs/xfs/linux-2.6/kmem.h
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@@ -100,7 +100,7 @@ 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