From: Li Zefan <lizefan@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Tejun Heo <tj@kernel.org>, Michal Hocko <mhocko@suse.cz>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Johannes Weiner <hannes@cmpxchg.org>,
LKML <linux-kernel@vger.kernel.org>,
cgroups <cgroups@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: [PATCH v6 1/5] memcg: convert to use cgroup_is_descendant()
Date: Mon, 23 Sep 2013 16:55:43 +0800 [thread overview]
Message-ID: <5240020F.3010008@huawei.com> (raw)
In-Reply-To: <524001F8.6070205@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 7dda769..9117249 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1405,7 +1405,7 @@ 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:[~2013-09-23 8:56 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-23 8:55 [PATCH v6 0/5] memcg, cgroup: kill css id Li Zefan
2013-09-23 8:55 ` Li Zefan [this message]
2013-09-23 8:56 ` [PATCH v6 2/5] memcg: convert to use cgroup id Li Zefan
2013-09-23 8:56 ` [PATCH v6 3/5] memcg: fail to create cgroup if the cgroup id is too big Li Zefan
2013-09-23 8:56 ` [PATCH v6 4/5] memcg: stop using css id Li Zefan
2013-09-23 8:57 ` [PATCH v6 5/5] cgroup: kill css_id Li Zefan
2013-09-23 13:08 ` [PATCH v6 0/5] memcg, cgroup: kill css id Tejun Heo
2013-09-23 13:12 ` Tejun Heo
2013-09-24 0:32 ` Li Zefan
2013-09-24 0:52 ` Andrew Morton
2013-09-24 1:30 ` Tejun Heo
2013-09-24 1:52 ` Tejun Heo
2013-09-24 1:54 ` Stephen Rothwell
2013-09-24 1:46 ` Tejun Heo
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