linux-kernel - Re: [PATCH] cgroupfs: create /sys/fs/cgroup to mount cgroupfs on

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Date:	Fri, 23 Jul 2010 13:21:48 -0700
From:	Matt Helsley <matthltc@...ibm.com>
To:	Kay Sievers <kay.sievers@...y.org>
Cc:	Matt Helsley <matthltc@...ibm.com>,
	Ben Blum <bblum@...rew.cmu.edu>,
	containers@...ts.linux-foundation.org, Greg KH <gregkh@...e.de>,
	linux-kernel@...r.kernel.org,
	Lennart Poettering <lennart@...ttering.net>,
	Paul Menage <menage@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] cgroupfs: create /sys/fs/cgroup to mount cgroupfs on

On Fri, Jul 23, 2010 at 01:10:43AM +0200, Kay Sievers wrote:
> On Thu, Jul 22, 2010 at 23:48, Matt Helsley <matthltc@...ibm.com> wrote:
> > So I'd suggest
> > those cgroup mounts go in /var/run/systemd/cgroup or something like that.
> 
> Impossible, we need it at bootup, and / is usually read-only, and /var
> might even be behind the network we need to bring up.
> 
> It needs to be on tmpfs mounted on the rootsfs, or in any of the
> virtual fss we have to mount anyway, so /sys/fs seems a good place.

Ahh, excellent point. Indeed, /sys/fs seems fine then.

Cheers,
	-Matt Helsley

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