Commit c857266d authored by Wei Yang's avatar Wei Yang Committed by Linus Torvalds
Browse files

mm/memcg: mem_cgroup_per_node is already set to 0 on allocation 

kzalloc_node() would set data to 0, so it's not necessary to set it
again.

Link: https://lkml.kernel.org/r/20220201004643.8391-1-richard.weiyang@gmail.com


Signed-off-by: default avatarWei Yang <richard.weiyang@gmail.com>
Reviewed-by: default avatarMuchun Song <songmuchun@bytedance.com>
Acked-by: default avatarMichal Hocko <mhocko@suse.com>
Reviewed-by: default avatarRoman Gushchin <guro@fb.com>
Reviewed-by: default avatarMike Rapoport <rppt@linux.ibm.com>
Reviewed-by: default avatarShakeel Butt <shakeelb@google.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Yang Shi <shy828301@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent a8c49af3

mm/memcontrol.c

+0 −2
Original line number Diff line number Diff line
@@ -5105,8 +5105,6 @@ static int alloc_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node) 
	}



	lruvec_init(&pn->lruvec);

	pn->usage_in_excess = 0;

	pn->on_tree = false;

	pn->memcg = memcg;



	memcg->nodeinfo[node] = pn;