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| author | Liu Xiang <liu.xiang6@zte.com.cn> | 2019-05-13 17:16:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 09:47:45 -0700 |
| commit | a4d3f8916c65b63e6b9457cdec74ceaaff7e6b12 (patch) | |
| tree | 81bdf6bab6cec6547216d305a7a476f1c6c88873 /mm/slub.c | |
| parent | 3e05617ceaa42838084daee209f9c4965bf03379 (diff) | |
| download | lwn-a4d3f8916c65b63e6b9457cdec74ceaaff7e6b12.tar.gz lwn-a4d3f8916c65b63e6b9457cdec74ceaaff7e6b12.zip | |
slub: remove useless kmem_cache_debug() before remove_full()
When CONFIG_SLUB_DEBUG is not enabled, remove_full() is empty.
While CONFIG_SLUB_DEBUG is enabled, remove_full() can check
s->flags by itself. So kmem_cache_debug() is useless and
can be removed.
Link: http://lkml.kernel.org/r/1552577313-2830-1-git-send-email-liu.xiang6@zte.com.cn
Signed-off-by: Liu Xiang <liu.xiang6@zte.com.cn>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
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/slub.c')
| -rw-r--r-- | mm/slub.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/slub.c b/mm/slub.c index ce6917b7451d..af3b72b5de82 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2903,8 +2903,7 @@ static void __slab_free(struct kmem_cache *s, struct page *page, * then add it. */ if (!kmem_cache_has_cpu_partial(s) && unlikely(!prior)) { - if (kmem_cache_debug(s)) - remove_full(s, n, page); + remove_full(s, n, page); add_partial(n, page, DEACTIVATE_TO_TAIL); stat(s, FREE_ADD_PARTIAL); } |