slub: fix atomic usage in any_slab_objects()

any_slab_objects() does an atomic_read on an atomic_long_t, this
fixes it to use atomic_long_read instead.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/mm/slub.c b/mm/slub.c
index d379b782fc83..a505a828ef41 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3762,7 +3762,7 @@ static int any_slab_objects(struct kmem_cache *s)
                 if (!n)
                         continue;
 
-                if (atomic_read(&n->total_objects))
+                if (atomic_long_read(&n->total_objects))
                         return 1;
         }
         return 0;