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Commit b47f77b5 authored by Li Zefan's avatar Li Zefan Committed by Tejun Heo
Browse files

memcg: convert to use cgroup_is_descendant() 



This is a preparation to kill css_id.

Signed-off-by: default avatarLi Zefan <lizefan@huawei.com>
Acked-by: default avatarMichal Hocko <mhocko@suse.cz>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 272b98c6

mm/memcontrol.c

+1 −1
Original line number Diff line number Diff line
@@ -1318,7 +1318,7 @@ bool __mem_cgroup_same_or_subtree(const struct mem_cgroup *root_memcg, 
		return true;

	if (!root_memcg->use_hierarchy || !memcg)

		return false;

	return css_is_ancestor(&memcg->css, &root_memcg->css);

	return cgroup_is_descendant(memcg->css.cgroup, root_memcg->css.cgroup);

}



static bool mem_cgroup_same_or_subtree(const struct mem_cgroup *root_memcg,