missing atomic_read_long() in slub.c

nr_slabs is atomic_long_t, not atomic_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/slub.c b/mm/slub.c
index aac1dd3..bcdb2c8 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2734,7 +2734,7 @@ static void slab_mem_offline_callback(void *arg)
                         * and offline_pages() function shoudn't call this
                         * callback. So, we must fail.
                         */
-                       BUG_ON(atomic_read(&n->nr_slabs));
+                       BUG_ON(atomic_long_read(&n->nr_slabs));
 
                        s->node[offline_node] = NULL;
                        kmem_cache_free(kmalloc_caches, n);