Messages in this thread Patch in this message | | | Date | Fri, 19 Oct 2007 04:20:44 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: SLUB: Avoid atomic operation for slab_unlock |
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Acked-by: Christoph Lameter <clameter@sgi.com>
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>
--- mm/slub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6/mm/slub.c =================================================================== --- linux-2.6.orig/mm/slub.c +++ linux-2.6/mm/slub.c @@ -1185,7 +1185,7 @@ static __always_inline void slab_lock(st 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) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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