linux-kernel - Re: [PATCH v2 0/8] memcg, cgroup: kill css

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Message-ID: <20130724143214.GL2540@dhcp22.suse.cz>
Date:	Wed, 24 Jul 2013 16:32:14 +0200
From:	Michal Hocko <mhocko@...e.cz>
To:	Li Zefan <lizefan@...wei.com>
Cc:	Tejun Heo <tj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Glauber Costa <glommer@...allels.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Johannes Weiner <hannes@...xchg.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Cgroups <cgroups@...r.kernel.org>, linux-mm@...ck.org
Subject: Re: [PATCH v2 0/8] memcg, cgroup: kill css_id

On Wed 24-07-13 17:58:44, Li Zefan wrote:
> This patchset converts memcg to use cgroup->id, and then we can remove
> cgroup css_id.
> 
> As we've removed memcg's own refcnt, converting memcg to use cgroup->id
> is very straight-forward.
> 
> The patchset is based on Tejun's cgroup tree.

Does it depend on any particular patches? I am asking because I would
need to cherry pick those and apply them into my -mm git tree before
these.

> Li Zefan (8):
>       cgroup: convert cgroup_ida to cgroup_idr
>       cgroup: document how cgroup IDs are assigned
>       cgroup: implement cgroup_from_id()
>       memcg: convert to use cgroup_is_descendant()
>       memcg: convert to use cgroup id
>       memcg: fail to create cgroup if the cgroup id is too big
>       memcg: stop using css id
>       cgroup: kill css_id
> --
>  include/linux/cgroup.h |  49 ++-------
>  kernel/cgroup.c        | 308 ++++++++-----------------------------------------------
>  mm/memcontrol.c        |  59 ++++++-----
>  3 files changed, 90 insertions(+), 326 deletions(-)

-- 
Michal Hocko
SUSE Labs
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