[PATCH 3/8] memcg: convert to use cgroup_is_ancestor()

Li Zefan
2013-04-08T08:21:50Z

This is a preparation to kill css_id.

Signed-off-by: Li Zefan <lizefan@huawei.com>
---
mm/memcontrol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 5aa6e91..14f1375 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1383,7 +1383,7 @@ 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_ancestor(memcg->css.cgroup, root_memcg->css.cgroup);
}

static bool mem_cgroup_same_or_subtree(const struct mem_cgroup *root_memcg,
--
1.8.0.2