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slub: use correct parameter to add a page to partial list tail

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unfreeze_partials() needs add the page to partial list tail, since such page
hasn't too many free objects. We now explictly use DEACTIVATE_TO_TAIL for this,
while DEACTIVATE_TO_TAIL != 1. This will cause performance regression (eg, more
lock contention in node->list_lock) without below fix.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Acked-by: Christoph Lameter <cl@linux.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Shaohua Li 2011-11-11 08:33:48 +08:00 committed by Pekka Enberg
parent 1ea6b8f489
commit f64ae042d9
1 changed files with 2 additions and 1 deletions
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3
mm/slub.c
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@ -1904,7 +1904,8 @@ static void unfreeze_partials(struct kmem_cache *s)
if (l == M_PARTIAL)
remove_partial(n, page);
else
add_partial(n, page, 1);
add_partial(n, page,
DEACTIVATE_TO_TAIL);
l = m;
}