linux-kernel - Re: [PATCH/RFC] Have sane default values for cpusets

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Date:	Fri, 14 May 2010 01:55:42 +0200
From:	Lennart Poettering <mzxreary@...inter.de>
To:	Balbir Singh <balbir@...ux.vnet.ibm.com>
Cc:	Paul Menage <menage@...gle.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Dhaval Giani <dhaval.giani@...il.com>,
	James Kosin <jkosin@...comgrp.com>,
	linux-kernel@...r.kernel.org, jsafrane@...hat.com,
	tglx@...utronix.de
Subject: Re: [PATCH/RFC] Have sane default values for cpusets

On Fri, 14.05.10 02:37, Balbir Singh (balbir@...ux.vnet.ibm.com) wrote:

> > > Oh, that is possible? How would I do that? 
> > > 
> > > This certainly doesn't work:
> > > 
> > > # mount waldo -t cgroup /tmp/xxxx -o defaults
> > 
> > An neither does this:
> > 
> > # mount waldo -t cgroup /tmp/xxxx -o name=systemd
> > 
> > (the mount() syscall fails with EINVAL here, the other one fails with EBUSY)
> >
> 
> Can you try the command below
> 
> mount -t cgroup cgroup -o none,name=hello /cgroup/ 
> 
> Works for me.

That line certainly works, but unfortunately your own libcgroup
completely ignores mount points like this. Meh.

Lennart

-- 
Lennart Poettering                        Red Hat, Inc.
lennart [at] poettering [dot] net
http://0pointer.net/lennart/           GnuPG 0x1A015CC4
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