From: Paul Jackson <[email protected]>
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,
and buffer_head. This list may change over time.
Signed-off-by: Paul Jackson
---
fs/buffer.c | 7 +++++--
fs/dcache.c | 3 ++-
fs/inode.c | 9 +++++++--
3 files changed, 14 insertions(+), 5 deletions(-)
--- 2.6.16-rc1-mm5.orig/fs/dcache.c 2006-02-03 20:14:45.616310776 -0800
+++ 2.6.16-rc1-mm5/fs/dcache.c 2006-02-03 21:56:36.605864543 -0800
@@ -1683,7 +1683,8 @@ 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);
shrinker = set_shrinker(DEFAULT_SEEKS, shrink_dcache_memory);
--- 2.6.16-rc1-mm5.orig/fs/inode.c 2006-02-03 20:14:45.619240496 -0800
+++ 2.6.16-rc1-mm5/fs/inode.c 2006-02-03 21:56:36.606841116 -0800
@@ -1376,8 +1376,13 @@ void __init inode_init(unsigned long mem
struct shrinker *shrinker;
/* 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);
shrinker = set_shrinker(DEFAULT_SEEKS, shrink_icache_memory);
kmem_set_shrinker(inode_cachep, shrinker);
--- 2.6.16-rc1-mm5.orig/fs/buffer.c 2006-02-03 20:14:32.642534053 -0800
+++ 2.6.16-rc1-mm5/fs/buffer.c 2006-02-03 21:56:36.608794263 -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
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <[email protected]> 1.650.933.1373
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