[v7,16/19] mm: memcg/slab: remove redundant check in memcg_accumulate_slabinfo()
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Message ID 20200623015846.1141975-17-guro@fb.com
State New
Headers show
  • The new cgroup slab memory controller
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Commit Message

Roman Gushchin June 23, 2020, 1:58 a.m. UTC
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>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
 mm/slab_common.c | 3 ---
 1 file changed, 3 deletions(-)

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diff --git a/mm/slab_common.c b/mm/slab_common.c
index 0618d3595c08..e546778030a2 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -1087,9 +1087,6 @@  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));