linux-kernel - Re: [PATCH][BUGFIX] cgroups: fix pid namespace bug

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Date:	Thu, 02 Jul 2009 10:17:57 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Paul Menage <menage@...gle.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	"Serge E. Hallyn" <serue@...ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux Containers <containers@...ts.linux-foundation.org>
Subject: Re: [PATCH][BUGFIX] cgroups: fix pid namespace bug

Paul Menage wrote:
> Thanks Li - but as I said to Serge in the email when I brought this up
> originally, I already had a patch in mind for this; I've had an intern
> (Ben) at Google working on it. His patch (pretty much ready, and being
> sent out tomorrow I hope) is pretty similar to yours, but his is on
> top of another patch that provides a (currently read-only)
> "cgroup.procs" file in each cgroup dir that lists the unique tgids in
> the cgroup. So the key in the list of pid arrays is actually a pid_ns
> and a file type (indicating procs or tasks) rather than just a pid_ns.
> 
> So I think it makes more sense to not use this patch, but to use the
> pair of patches that Ben's written, since they provide more overal
> functionality.
> 

But I guess we are going to fix the bug for 2.6.31? So is it ok to
merge a new feature 'cgroup.procs' together into 2.6.31?


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