Commit edde82b6 authored by Peng Wang's avatar Peng Wang Committed by Linus Torvalds

mm/slub.c: freelist is ensured to be NULL when new_slab() fails

new_slab_objects() will return immediately if freelist is not NULL.

         if (freelist)
                 return freelist;

One more assignment operation could be avoided.

Link: http://lkml.kernel.org/r/20181229062512.30469-1-rocking@whu.edu.cnSigned-off-by: default avatarPeng Wang <rocking@whu.edu.cn>
Reviewed-by: default avatarPekka Enberg <penberg@kernel.org>
Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Acked-by: default avatarDavid Rientjes <rientjes@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5704a068
...@@ -2482,8 +2482,7 @@ static inline void *new_slab_objects(struct kmem_cache *s, gfp_t flags, ...@@ -2482,8 +2482,7 @@ static inline void *new_slab_objects(struct kmem_cache *s, gfp_t flags,
stat(s, ALLOC_SLAB); stat(s, ALLOC_SLAB);
c->page = page; c->page = page;
*pc = c; *pc = c;
} else }
freelist = NULL;
return freelist; return freelist;
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment