SLUB: use atomic_long_read for atomic_long variables

SLUB is using atomic_read() for variables declared atomic_long_t.
Switch to atomic_long_read().

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/mm/slub.c b/mm/slub.c
index 69d02e3e439e..0c106d73f9c5 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3112,7 +3112,7 @@ static int list_locations(struct kmem_cache *s, char *buf,
                 unsigned long flags;
                 struct page *page;
 
-                if (!atomic_read(&n->nr_slabs))
+                if (!atomic_long_read(&n->nr_slabs))
                         continue;
 
                 spin_lock_irqsave(&n->list_lock, flags);
@@ -3247,7 +3247,7 @@ static unsigned long slab_objects(struct kmem_cache *s,
                 }
 
                 if (flags & SO_FULL) {
-                        int full_slabs = atomic_read(&n->nr_slabs)
+                        int full_slabs = atomic_long_read(&n->nr_slabs)
                                         - per_cpu[node]
                                         - n->nr_partial;
 
@@ -3283,7 +3283,7 @@ static int any_slab_objects(struct kmem_cache *s)
         for_each_node(node) {
                 struct kmem_cache_node *n = get_node(s, node);
 
-                if (n->nr_partial || atomic_read(&n->nr_slabs))
+                if (n->nr_partial || atomic_long_read(&n->nr_slabs))
                         return 1;
         }
         return 0;