netdev - Re: [PATCH v2 2/2] cgroup: get rid of populate for memcg

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Message-ID: <20120409181331.GD7522@google.com>
Date:	Mon, 9 Apr 2012 11:13:31 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Glauber Costa <glommer@...allels.com>
Cc:	netdev@...r.kernel.org, cgroups@...r.kernel.org,
	kamezawa.hiroyu@...fujitsu.com, Li Zefan <lizefan@...wei.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...e.cz>,
	Balbir Singh <bsingharora@...il.com>
Subject: Re: [PATCH v2 2/2] cgroup: get rid of populate for memcg

Hello,

On Mon, Apr 09, 2012 at 02:51:10PM -0300, Glauber Costa wrote:
> On 04/09/2012 02:40 PM, Tejun Heo wrote:
> >which BTW seems incorrect even on its
> >own - unmounting and mounting again would probably make the same
> >notifier registered multiple times corrupting notification chain, and
> >ref inc on the parent.
> 
> 
> For the maintainers: Should I fix those in a new submission, or do
> you intend to do it yourselves?
> 
> the refcnt dropping should probably be done in my patch, it is a new
> leak (sorry). The hotplug notifier, as tejun pointed, was already
> there.
> 
> It seems simple enough to fix, so if you guys want, I can bundle it in
> a new submission.

I think it would be best to create a separate patch which is routed
through the usual memcg path (I suppose memcg patches go through
-mm?).

Thanks.

-- 
tejun
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