From: Li Zefan <lizefan@huawei.com>
To: Tejun Heo <tj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Glauber Costa <glommer@parallels.com>,
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 v2 4/8] memcg: convert to use cgroup_is_descendant()
Date: Wed, 24 Jul 2013 18:01:25 +0800 [thread overview]
Message-ID: <51EFA5F5.3020406@huawei.com> (raw)
In-Reply-To: <51EFA554.6080801@huawei.com>
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 d12ca6f..626c426 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1434,7 +1434,7 @@ 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:[~2013-07-24 10:02 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-24 9:58 [PATCH v2 0/8] memcg, cgroup: kill css_id Li Zefan
2013-07-24 9:59 ` [PATCH v2 1/8] cgroup: convert cgroup_ida to cgroup_idr Li Zefan
2013-07-24 14:07 ` Michal Hocko
2013-07-25 1:08 ` Li Zefan
2013-07-24 9:59 ` [PATCH v2 2/8] cgroup: document how cgroup IDs are assigned Li Zefan
2013-07-24 14:07 ` Michal Hocko
2013-07-24 10:00 ` [PATCH v2 3/8] cgroup: implement cgroup_from_id() Li Zefan
2013-07-24 14:10 ` Michal Hocko
2013-07-24 10:01 ` Li Zefan [this message]
2013-07-24 14:20 ` [PATCH v2 4/8] memcg: convert to use cgroup_is_descendant() Michal Hocko
2013-07-24 10:01 ` [PATCH v2 5/8] memcg: convert to use cgroup id Li Zefan
2013-07-24 14:25 ` Michal Hocko
2013-07-24 10:02 ` [PATCH v2 6/8] memcg: fail to create cgroup if the cgroup id is too big Li Zefan
2013-07-24 14:27 ` Michal Hocko
2013-07-24 10:03 ` [PATCH v2 7/8] memcg: stop using css id Li Zefan
2013-07-24 14:30 ` Michal Hocko
2013-07-24 10:03 ` [PATCH v2 8/8] cgroup: kill css_id Li Zefan
2013-07-24 14:31 ` Michal Hocko
2013-07-24 14:32 ` [PATCH v2 0/8] memcg, " Michal Hocko
2013-07-24 16:14 ` Tejun Heo
2013-07-25 7:40 ` Michal Hocko
2013-07-25 0:59 ` Li Zefan
2013-07-25 7:41 ` Michal Hocko
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