[PATCH v4 16/19] 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@xxxxxx>
Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>
---
 mm/slab_common.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/mm/slab_common.c b/mm/slab_common.c
index c045afb9724e..52164ad0f197 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));
-- 
2.25.4






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