linux-kernel - Re: [PATCH 5/8] memcg: convert to use cgroup->id

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Message-ID: <516384BC.7040302@huawei.com>
Date:	Tue, 9 Apr 2013 11:02:20 +0800
From:	Li Zefan <lizefan@...wei.com>
To:	Michal Hocko <mhocko@...e.cz>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Tejun Heo <tj@...nel.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 5/8] memcg: convert to use cgroup->id

On 2013/4/8 22:57, Michal Hocko wrote:
> On Mon 08-04-13 16:22:11, Li Zefan wrote:
>> This is a preparation to kill css_id.
>>
>> Signed-off-by: Li Zefan <lizefan@...wei.com>
> 
> This patch depends on the following patch, doesn't it? There is no
> guarantee that id fits into short right now. Not such a big deal but
> would be nicer to have that guarantee for bisectability.
> 

Not necessary, because css_id still prevents us from creating too
many cgroups.

> The patch on its own looks good.
> 
> Acked-by: Michal Hocko <mhocko@...e.cz>


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