linux-kernel - Re: [PATCH 00/10] cgroups: Task counter subsystem v6

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Date:	Fri, 4 Nov 2011 13:37:08 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Tim Hockin <thockin@...kin.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Paul Menage <paul@...lmenage.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Aditya Kali <adityakali@...gle.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Kay Sievers <kay.sievers@...y.org>, Tejun Heo <tj@...nel.org>,
	"Kirill A. Shutemov" <kirill@...temov.name>,
	Containers <containers@...ts.linux-foundation.org>
Subject: Re: [PATCH 00/10] cgroups: Task counter subsystem v6

On Fri, Nov 04, 2011 at 10:57:33AM +0800, Li Zefan wrote:
> >>> There may be other ways to cobble this sort of safety together, but
> >>> they are less appealing for various reasons.  cgroups are how we
> >>> control groups of related pids.
> >>>
> >>> I'd really love to be able to use this.
> >>
> >> Has it been confirmed that this implementation actually solves the
> >> problem?  ie: tested a bit?
> >>
> >> btw, Frederic told me that this version of the patchset had some
> >> serious problem so it's on hold pending an upgrade, regardless of other
> >> matters.
> > 
> > Yep. The particular issue is https://lkml.org/lkml/2011/10/13/532
> > 
> > Li Zefan proposed a fix (https://lkml.org/lkml/2011/10/17/26) which I'm
> > currently reworking.
> > 
> 
> We really need to coordinate cgroup patches. I mean, the patchset+fix conflict
> with Tejun's work, and the conflict is not trivial.

Either Tejun targets for -mm, or I try to get my patches into the pm
tree where Tejun's patches are aimed. I just would like to keep Andrew
in the process of my patches somehow.

Also it might be time for you and/or Paul Menage to run a cgroup git tree, what do
you think :)
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