linux-kernel - Re: pidns memory leak

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Date:	Tue, 03 Nov 2009 08:24:30 +0100
From:	Cedric Le Goater <legoater@...e.fr>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	"Serge E. Hallyn" <serue@...ibm.com>, andrea@...share.com,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Linux Containers <containers@...ts.osdl.org>,
	Daniel Lezcano <dlezcano@...ibm.com>,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	Emelianov <xemul@...nvz.org>,
	Alexey Dobriyan <adobriyan@...l.ru>,
	linux-kernel@...r.kernel.org
Subject: Re: pidns memory leak

On 11/02/2009 11:47 PM, Andrew Morton wrote:
> On Mon, 2 Nov 2009 16:38:18 -0600
> "Serge E. Hallyn" <serue@...ibm.com> wrote:
> 
>>> This bug hasn't been fixed yet, has it?
>>
>> Well Suka did trace the bug to commit 7766755a2f249e7, and posted a patch
>> to revert that, acked by Eric on Oct 20.  Suka, were you going to repost
>> that patch?
> 
> Ah.  OK.  Thanks.  Found it in the backlog pile.

We've added the patch to our patchset and we confirm that the pid_* leaks have 
been reduced to 'nearly' nothing but we still have a lot of inodes and dentries
leaks. I hope to find some time to investigate and reproduce with a small 
scenario, we are running a LTP like testsuite in a container environment.

Also, Alexey had questions about it.

C.
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