[PATCH] slub: add missing slab_unlock() to __kmem_cache_shrink()

[Pekka Enberg]

If page is not kickable, remember to slab_unlock() before continuing the loop.

Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
---
 mm/slub.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index 4b694a7..f09f1fb 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2926,8 +2926,10 @@ static unsigned long __kmem_cache_shrink(struct kmem_cache *s, int node,
 			continue;
 
 		if (page->inuse) {
-			if (!SlabKickable(page))
+			if (!SlabKickable(page)) {
+				slab_unlock(page);
 				continue;
+			}
 
 			if (page->inuse * 100 >=
 					s->defrag_ratio * page->objects) {
-- 
1.5.2.5



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/