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Commit a76d3546 authored by Nick Piggin's avatar Nick Piggin Committed by Christoph Lameter
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Use non atomic unlock 



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

Signed-off-by: default avatarNick Piggin <npiggin@suse.de>
Acked-by: default avatarChristoph Lameter <clameter@sgi.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 8ff12cfc

mm/slub.c

+1 −1
Original line number Diff line number Diff line
@@ -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)