From: Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>,
KAMEZAWA Hiroyuki
<kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>,
Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>,
Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Cgroups <cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org
Subject: Re: [PATCH 2/8] cgroup: implement cgroup_from_id()
Date: Tue, 9 Apr 2013 11:12:09 +0800 [thread overview]
Message-ID: <51638709.207@huawei.com> (raw)
In-Reply-To: <20130408154319.GD3021-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
On 2013/4/8 23:43, Tejun Heo wrote:
> On Mon, Apr 08, 2013 at 04:20:59PM +0800, Li Zefan wrote:
>> +/**
>> + * cgroup_from_id - lookup cgroup by id
>> + * @ss: cgroup subsys to be looked into.
>> + * @id: the id
>> + *
>> + * Returns pointer to cgroup if there is valid one with id.
>> + * NULL if not. Should be called under rcu_read_lock()
>> + */
>> +struct cgroup *cgroup_from_id(struct cgroup_subsys *ss, int id)
>> +{
>
> rcu_lockdep_assert(rcu_read_lock_held(), ..
.);
will update
>
>> + return idr_find(&ss->root->cgroup_idr, id);
WARNING: multiple messages have this Message-ID (diff)
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: Re: [PATCH 2/8] cgroup: implement cgroup_from_id()
Date: Tue, 9 Apr 2013 11:12:09 +0800 [thread overview]
Message-ID: <51638709.207@huawei.com> (raw)
In-Reply-To: <20130408154319.GD3021@htj.dyndns.org>
On 2013/4/8 23:43, Tejun Heo wrote:
> On Mon, Apr 08, 2013 at 04:20:59PM +0800, Li Zefan wrote:
>> +/**
>> + * cgroup_from_id - lookup cgroup by id
>> + * @ss: cgroup subsys to be looked into.
>> + * @id: the id
>> + *
>> + * Returns pointer to cgroup if there is valid one with id.
>> + * NULL if not. Should be called under rcu_read_lock()
>> + */
>> +struct cgroup *cgroup_from_id(struct cgroup_subsys *ss, int id)
>> +{
>
> rcu_lockdep_assert(rcu_read_lock_held(), ..
.);
will update
>
>> + return idr_find(&ss->root->cgroup_idr, id);
--
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WARNING: multiple messages have this Message-ID (diff)
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: Re: [PATCH 2/8] cgroup: implement cgroup_from_id()
Date: Tue, 9 Apr 2013 11:12:09 +0800 [thread overview]
Message-ID: <51638709.207@huawei.com> (raw)
In-Reply-To: <20130408154319.GD3021@htj.dyndns.org>
On 2013/4/8 23:43, Tejun Heo wrote:
> On Mon, Apr 08, 2013 at 04:20:59PM +0800, Li Zefan wrote:
>> +/**
>> + * cgroup_from_id - lookup cgroup by id
>> + * @ss: cgroup subsys to be looked into.
>> + * @id: the id
>> + *
>> + * Returns pointer to cgroup if there is valid one with id.
>> + * NULL if not. Should be called under rcu_read_lock()
>> + */
>> +struct cgroup *cgroup_from_id(struct cgroup_subsys *ss, int id)
>> +{
>
> rcu_lockdep_assert(rcu_read_lock_held(), ..
.);
will update
>
>> + return idr_find(&ss->root->cgroup_idr, id);
next prev parent reply other threads:[~2013-04-09 3:12 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-08 8:19 [PATCH 0/8] memcg, cgroup: kill css_id Li Zefan
2013-04-08 8:19 ` Li Zefan
2013-04-08 8:19 ` Li Zefan
2013-04-08 8:20 ` [PATCH 1/8] cgroup: implement cgroup_is_ancestor() Li Zefan
2013-04-08 8:20 ` Li Zefan
2013-04-08 8:20 ` Li Zefan
2013-04-08 14:47 ` Michal Hocko
2013-04-08 14:47 ` Michal Hocko
2013-04-08 15:57 ` Tejun Heo
2013-04-08 15:57 ` Tejun Heo
2013-04-08 16:33 ` Michal Hocko
2013-04-08 16:33 ` Michal Hocko
2013-04-08 18:03 ` Michal Hocko
2013-04-08 18:03 ` Michal Hocko
2013-04-08 18:03 ` Michal Hocko
2013-04-08 21:36 ` Tejun Heo
2013-04-08 21:36 ` Tejun Heo
[not found] ` <20130408213646.GB17159-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2013-04-09 6:42 ` Michal Hocko
2013-04-09 6:42 ` Michal Hocko
2013-04-09 6:42 ` Michal Hocko
[not found] ` <51627DBB.5050005-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-04-08 15:39 ` Tejun Heo
2013-04-08 15:39 ` Tejun Heo
2013-04-08 15:39 ` Tejun Heo
2013-04-09 3:21 ` Kamezawa Hiroyuki
2013-04-09 3:21 ` Kamezawa Hiroyuki
[not found] ` <51638947.9060303-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2013-04-09 3:29 ` Li Zefan
2013-04-09 3:29 ` Li Zefan
2013-04-09 3:29 ` Li Zefan
2013-04-08 8:21 ` [PATCH 3/8] memcg: convert to use cgroup_is_ancestor() Li Zefan
2013-04-08 8:21 ` Li Zefan
2013-04-08 8:21 ` Li Zefan
[not found] ` <51627DFA.9050007-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-04-09 3:58 ` Kamezawa Hiroyuki
2013-04-09 3:58 ` Kamezawa Hiroyuki
2013-04-09 3:58 ` Kamezawa Hiroyuki
2013-04-09 6:49 ` Michal Hocko
2013-04-09 6:49 ` Michal Hocko
2013-04-09 6:49 ` Michal Hocko
2013-04-08 8:23 ` [PATCH 7/8] memcg: don't use css_id any more Li Zefan
2013-04-08 8:23 ` Li Zefan
2013-04-08 8:23 ` Li Zefan
[not found] ` <51627E74.5020300-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-04-08 15:01 ` Michal Hocko
2013-04-08 15:01 ` Michal Hocko
2013-04-08 15:01 ` Michal Hocko
2013-04-09 4:11 ` Kamezawa Hiroyuki
2013-04-09 4:11 ` Kamezawa Hiroyuki
2013-04-09 4:11 ` Kamezawa Hiroyuki
[not found] ` <51627DA9.7020507-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-04-08 8:20 ` [PATCH 2/8] cgroup: implement cgroup_from_id() Li Zefan
2013-04-08 8:20 ` Li Zefan
2013-04-08 8:20 ` Li Zefan
2013-04-08 15:43 ` Tejun Heo
2013-04-08 15:43 ` Tejun Heo
[not found] ` <20130408154319.GD3021-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2013-04-09 3:12 ` Li Zefan [this message]
2013-04-09 3:12 ` Li Zefan
2013-04-09 3:12 ` Li Zefan
2013-04-08 15:48 ` Tejun Heo
2013-04-08 15:48 ` Tejun Heo
2013-04-09 3:56 ` Kamezawa Hiroyuki
2013-04-09 3:56 ` Kamezawa Hiroyuki
[not found] ` <51627DEB.4090104-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-04-09 4:08 ` Kamezawa Hiroyuki
2013-04-09 4:08 ` Kamezawa Hiroyuki
2013-04-09 4:08 ` Kamezawa Hiroyuki
2013-04-08 8:21 ` [PATCH 4/8] memcg: convert to use cgroup_from_id() Li Zefan
2013-04-08 8:21 ` Li Zefan
2013-04-08 8:21 ` Li Zefan
2013-04-08 14:53 ` Michal Hocko
2013-04-08 14:53 ` Michal Hocko
[not found] ` <20130408145333.GL17178-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-04-09 3:00 ` Li Zefan
2013-04-09 3:00 ` Li Zefan
2013-04-09 3:00 ` Li Zefan
[not found] ` <51627E09.5010605-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-04-09 3:59 ` Kamezawa Hiroyuki
2013-04-09 3:59 ` Kamezawa Hiroyuki
2013-04-09 3:59 ` Kamezawa Hiroyuki
2013-04-08 8:22 ` [PATCH 5/8] memcg: convert to use cgroup->id Li Zefan
2013-04-08 8:22 ` Li Zefan
2013-04-08 8:22 ` Li Zefan
2013-04-08 14:57 ` Michal Hocko
2013-04-08 14:57 ` Michal Hocko
[not found] ` <20130408145702.GM17178-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-04-09 3:02 ` Li Zefan
2013-04-09 3:02 ` Li Zefan
2013-04-09 3:02 ` Li Zefan
2013-04-09 6:49 ` Michal Hocko
2013-04-09 6:49 ` Michal Hocko
[not found] ` <51627E33.4090107-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-04-09 4:02 ` Kamezawa Hiroyuki
2013-04-09 4:02 ` Kamezawa Hiroyuki
2013-04-09 4:02 ` Kamezawa Hiroyuki
2013-04-08 8:22 ` [PATCH 6/8] memcg: fail to create cgroup if the cgroup id is too big Li Zefan
2013-04-08 8:22 ` Li Zefan
2013-04-08 8:22 ` Li Zefan
2013-04-08 15:01 ` Michal Hocko
2013-04-08 15:01 ` Michal Hocko
2013-04-08 8:23 ` [PATCH 8/8] cgroup: kill css_id Li Zefan
2013-04-08 8:23 ` Li Zefan
2013-04-08 8:23 ` Li Zefan
2013-04-08 15:51 ` Tejun Heo
2013-04-08 15:51 ` Tejun Heo
2013-04-08 14:37 ` [PATCH 0/8] memcg, " Michal Hocko
2013-04-08 14:37 ` Michal Hocko
2013-04-08 14:37 ` Michal Hocko
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