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

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Message-ID: <AANLkTil_5HNK_ADI2ueiErLp81Rwxm4okRKzsBZaoNXN@mail.gmail.com>
Date:	Fri, 14 May 2010 08:34:46 +0200
From:	Dhaval Giani <dhaval.giani@...il.com>
To:	Lennart Poettering <mzxreary@...inter.de>
Cc:	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Paul Menage <menage@...gle.com>,
	Peter Zijlstra <peterz@...radead.org>,
	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, May 14, 2010 at 1:55 AM, Lennart Poettering
<mzxreary@...inter.de> wrote:
> 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.
>

That be my mistake. I missed this update to cgroups. A patch will be
coming out pretty soon!

Dhaval
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