Message-ID: <4A4D5B98.6000509@cn.fujitsu.com>
Date: Fri, 03 Jul 2009 09:15:04 +0800
From: Li Zefan <lizf@cn.fujitsu.com>
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To: Paul Menage <menage@google.com>
CC: lizf@cn.fujitzu.com, serue@us.ibm.com, akpm@linux-foundation.org,
       containers@lists.linux-foundation.org, bblum@google.com,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] CGroups: cgroup member list enhancement/fix
References: <20090702231814.3969.44308.stgit@menage.mtv.corp.google.com>
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Paul Menage wrote:
> The following series (written by Ben Blum) adds a "cgroup.procs" file

This is rather useful. :)

> to each cgroup that reports unique tgids rather than pids, and fixes a
> pid namespace bug in the existing "tasks" file that could cause
> readers in different namespaces to interfere with one another.
> 
> The patches as a pair provide similar functionality to Li Zefan's
> patch posted yesterday, with the addition on the "cgroup.procs" file;
> if it's decided that Li's patch needs to be fast-tracked to 2.6.31,
> then these patches can be rebased as a small extension of Li's patch;
> if Li'z patch doesn't need to go to 2.6.31 then it makes more sense to
> take this pair since they provide more overall functionality.
> 

I'd prefer fixing it for 2.6.31. There is no reason we don't fix it
earlier than later. Base a fix on top of a new feature is no good,
and it makes backporting the fix harder if someone wants to do this.

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