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SLUB: Improve hackbench speed 

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>
hifive-unleashed-5.1
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 @@ checks_ok:
* 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);