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

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Date:	Fri, 04 Nov 2011 10:57:33 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Frederic Weisbecker <fweisbec@...il.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

>>> 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.

> But then I'd love it if you can test this subsystem to see if it really matches
> your needs, Tim.
> 
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