[PATCH] mm: Fixed incorrect comment for _kmem_cache_create function

[zhaoxinchao]

From: zhaoxinchao <chrisxinchao@xxxxxxxxxxx>

Actually __kmem_cache_create() returns a status :
0 is success
others are failed.

Signed-off-by: zhaoxinchao <chrisxinchao@xxxxxxxxxxx>
---
 mm/slab.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/slab.c b/mm/slab.c
index ca4822f6b..65985f767 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1901,7 +1901,7 @@ static bool set_on_slab_cache(struct kmem_cache *cachep,
  * @cachep: cache management descriptor
  * @flags: SLAB flags
  *
- * Returns a ptr to the cache on success, NULL on failure.
+ * Returns zero on success, others on failure.
  * Cannot be called within a int, but can be interrupted.
  * The @ctor is run when new pages are allocated by the cache.
  *
-- 
2.39.2