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

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Date:	Fri, 23 Jul 2010 01:10:43 +0200
From:	Kay Sievers <kay.sievers@...y.org>
To:	Matt Helsley <matthltc@...ibm.com>
Cc:	Greg KH <gregkh@...e.de>, Paul Menage <menage@...gle.com>,
	Ben Blum <bblum@...rew.cmu.edu>,
	containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org,
	Lennart Poettering <lennart@...ttering.net>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] cgroupfs: create /sys/fs/cgroup to mount cgroupfs on

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.

Kay
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