linux-kernel - Re: [PATCH 3/5] Container Freezer: Implement freezer cgroup subsystem

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Message-ID: <6599ad830811032240n640f3fao48f1a9f05892b797@mail.gmail.com>
Date:	Mon, 3 Nov 2008 22:40:03 -0800
From:	Paul Menage <menage@...gle.com>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	Matt Helsley <matthltc@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux-Kernel <linux-kernel@...r.kernel.org>,
	Linux Containers <containers@...ts.linux-foundation.org>,
	linux-pm@...ts.linux-foundation.org,
	Cedric Le Goater <clg@...ibm.com>,
	"Serge E. Hallyn" <serue@...ibm.com>
Subject: Re: [PATCH 3/5] Container Freezer: Implement freezer cgroup subsystem

On Mon, Nov 3, 2008 at 10:12 PM, Li Zefan <lizf@...fujitsu.com> wrote:
>
> I think another reasonable and easier way is to disable writing freezer.state
> of top cgroup, so we can skip checks in freezer_fork() for tasks in top cgroup.
>

Yes, if freezing the root cgroup isn't needed then that is definitely
simpler - I wasn't sure if Matt wanted to be able to freeze the root
group with this subsystem.

Paul
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