AcoSail/kernel_optimize_test
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SLUB: Improve hackbench speed

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Increase the mininum number of partial slabs to keep around and put
partial slabs to the end of the partial queue so that they can add
more objects.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Lameter 2007-12-21 14:37:37 -08:00 committed by Linus Torvalds
parent ea67db4cdb
commit 76be895001
1 changed files with 2 additions and 2 deletions
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4
mm/slub.c
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@ -172,7 +172,7 @@ static inline void ClearSlabDebug(struct page *page)
* Mininum number of partial slabs. These will be left on the partial
* lists even if they are empty. kmem_cache_shrink may reclaim them.
*/
#define MIN_PARTIAL 2
#define MIN_PARTIAL 5
/*
* Maximum number of desirable partial slabs.
@ -1613,7 +1613,7 @@ static void __slab_free(struct kmem_cache *s, struct page *page,
* then add it.
*/
if (unlikely(!prior))
add_partial(get_node(s, page_to_nid(page)), page);
add_partial_tail(get_node(s, page_to_nid(page)), page);
out_unlock:
slab_unlock(page);