luck/tmp_suning_uos_patched
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Use non atomic unlock

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Slub can use the non-atomic version to unlock because other flags will not
get modified with the lock held.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Nick Piggin 2008-01-07 23:20:27 -08:00 committed by Christoph Lameter
parent 8ff12cfc00
commit a76d354629
1 changed files with 1 additions and 1 deletions
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mm/slub.c
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@ -1219,7 +1219,7 @@ static __always_inline void slab_lock(struct page *page)
static __always_inline void slab_unlock(struct page *page)
{
bit_spin_unlock(PG_locked, &page->flags);
__bit_spin_unlock(PG_locked, &page->flags);
}
static __always_inline int slab_trylock(struct page *page)