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mm: memcg/slab: remove redundant check in memcg_accumulate_slabinfo()

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memcg_accumulate_slabinfo() is never called with a non-root kmem_cache as
a first argument, so the is_root_cache(s) check is redundant and can be
removed without any functional change.

Signed-off-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/20200623174037.3951353-17-guro@fb.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roman Gushchin 2020-08-06 23:21:24 -07:00 committed by Linus Torvalds
parent c7094406fc
commit 15999eef7f
1 changed files with 0 additions and 3 deletions
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3
mm/slab_common.c
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@ -1104,9 +1104,6 @@ memcg_accumulate_slabinfo(struct kmem_cache *s, struct slabinfo *info)
struct kmem_cache *c;
struct slabinfo sinfo;
if (!is_root_cache(s))
return;
c = memcg_cache(s);
if (c) {
memset(&sinfo, 0, sizeof(sinfo));