From: Li Zefan <lizefan@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Tejun Heo <tj@kernel.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Michal Hocko <mhocko@suse.cz>,
Johannes Weiner <hannes@cmpxchg.org>,
LKML <linux-kernel@vger.kernel.org>,
Cgroups <cgroups@vger.kernel.org>,
linux-mm@kvack.org
Subject: [PATCH v5 1/5] memcg: convert to use cgroup_is_descendant()
Date: Thu, 8 Aug 2013 10:32:53 +0800 [thread overview]
Message-ID: <52030355.1090300@huawei.com> (raw)
In-Reply-To: <52030346.4050003@huawei.com>
This is a preparation to kill css_id.
Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
---
mm/memcontrol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 6f292b8..87a2537 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1353,7 +1353,7 @@ 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,
--
1.8.0.2
--
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next prev parent reply other threads:[~2013-08-08 2:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-08 2:32 [PATCH v5 0/5] memcg, cgroup: kill css_id Li Zefan
2013-08-08 2:32 ` Li Zefan [this message]
2013-08-08 2:33 ` [PATCH v5 2/5] memcg: convert to use cgroup id Li Zefan
2013-08-08 2:34 ` [PATCH v5 3/5] memcg: fail to create cgroup if the cgroup id is too big Li Zefan
2013-08-08 2:34 ` [PATCH v5 4/5] memcg: stop using css id Li Zefan
2013-08-08 2:34 ` [PATCH v5 5/5] cgroup: kill css_id Li Zefan
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