linux-kernel - Re: [PATCH] cpuset: allow empty cpu/node masks

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Message-ID: <BANLkTimRV7STKcdWFXmmsQ+DLxN0bAnv3A@mail.gmail.com>
Date:	Tue, 19 Apr 2011 12:17:48 +0200
From:	Paul Menage <menage@...gle.com>
To:	Konstantin Khlebnikov <khlebnikov@...nvz.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpuset: allow empty cpu/node masks

On Tue, Apr 19, 2011 at 12:07 PM, Konstantin Khlebnikov
<khlebnikov@...nvz.org> wrote:
>
> This aimed to fix attaching tasks to the newly created cgroups in hierarchies with
> cpuset subsystem. Cpuset always require initializing cpuset.cpus and cpuset.mems,
> because they are empty by default, this fact block task attaching with -ENOSPC.

You can set the cgroup.clone_children to 1 to get the parent masks
automatically copied into the child. So I don't think this patch is
needed.

Paul
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