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authorPeng Wang <rocking@whu.edu.cn>2019-03-05 15:42:00 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-05 21:07:14 -0800
commitedde82b6df70cf10486d7f1e1611151218e6c316 (patch)
tree09dd072ad0753f3e0239580d5a75f909cd06d987 /mm
parent5704a06810682683355624923547b41540e2801a (diff)
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.cn Signed-off-by: Peng Wang <rocking@whu.edu.cn> Reviewed-by: Pekka Enberg <penberg@kernel.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: David Rientjes <rientjes@google.com> Cc: Christoph Lameter <cl@linux.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/slub.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/slub.c b/mm/slub.c
index dc777761b6b7..a561f909446d 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2482,8 +2482,7 @@ static inline void *new_slab_objects(struct kmem_cache *s, gfp_t flags,
stat(s, ALLOC_SLAB);
c->page = page;
*pc = c;
- } else
- freelist = NULL;
+ }
return freelist;
}