linux-kernel - Re: [RFD] cgroup: about multiple hierarchies

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Message-ID: <1331592241.18960.64.camel@twins>
Date:	Mon, 12 Mar 2012 23:44:01 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Tejun Heo <tj@...nel.org>
Cc:	Li Zefan <lizf@...fujitsu.com>,
	containers@...ts.linux-foundation.org, cgroups@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kay Sievers <kay.sievers@...y.org>,
	Lennart Poettering <lennart@...ttering.net>,
	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org, Vivek Goyal <vgoyal@...hat.com>,
	Michal Schmidt <mschmidt@...hat.com>
Subject: Re: [RFD] cgroup: about multiple hierarchies

On Mon, 2012-03-12 at 15:39 -0700, Tejun Heo wrote:
> If we can get to the point where nesting is fully
> supported by every controller first, that would be awesome too. 

As long as that is the goal.. otherwise, I'd be overjoyed if I can rip
nesting support out of the cpu-controller.. that stuff is such a pain.
Then again, I don't think the container people like this proposal --
they were the ones pushing for full hierarchy back when.

Another way there is simply deprecating and removing all
non-hierarchical controllers (and not adding any more while we're at
it).
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