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Subject[GIT PULL] SLUB fixes for 2.6.27-rc4
Hi Linus,

Please pull the latest SLAB git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6.git for-linus

Changes:

- Fix for excessive memory use by SLUB on NUMA when running
hackbench (Christoph Lameter)

Pekka

Christoph Lameter (1):
slub: Disable NUMA remote node defragmentation by default

mm/slub.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index 4f5b961..fb486d5 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2312,7 +2312,7 @@ static int kmem_cache_open(struct kmem_cache *s, gfp_t gfpflags,

s->refcount = 1;
#ifdef CONFIG_NUMA
- s->remote_node_defrag_ratio = 100;
+ s->remote_node_defrag_ratio = 1000;
#endif
if (!init_kmem_cache_nodes(s, gfpflags & ~SLUB_DMA))
goto error;
@@ -4058,7 +4058,7 @@ static ssize_t remote_node_defrag_ratio_store(struct kmem_cache *s,
if (err)
return err;

- if (ratio < 100)
+ if (ratio <= 100)
s->remote_node_defrag_ratio = ratio * 10;

return length;

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