linux-kernel - Re: [RFC] libcg: design and plans

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Message-ID: <6599ad830803050241k590e4389ud95b9b3ef920f8b6@mail.gmail.com>
Date:	Wed, 5 Mar 2008 02:41:41 -0800
From:	"Paul Menage" <menage@...gle.com>
To:	"Dhaval Giani" <dhaval@...ux.vnet.ibm.com>
Cc:	fedora-devel-list@...hat.com, opensuse-packaging@...nsuse.org,
	lkml <linux-kernel@...r.kernel.org>,
	containers@...ts.linux-foundation.org,
	"Balbir Singh" <balbir@...ibm.com>,
	"Peter Zijlstra" <a.p.zijlstra@...llo.nl>,
	"Srivatsa Vaddagiri" <vatsa@...ux.vnet.ibm.com>,
	"Sudhir Kumar" <skumar@...ux.vnet.ibm.com>
Subject: Re: [RFC] libcg: design and plans

On Wed, Mar 5, 2008 at 2:33 AM, Dhaval Giani <dhaval@...ux.vnet.ibm.com> wrote:
>
>  So there are two different points, /mem and /cpu. /mem has A and C and
>  /cpu has A, B and C. A and B of /cpu correspond to A of /mem and the C's
>  are the same. With this is mind, if I say a task should move to B in
>  /cpu, it should also move to A in /mem?
>

Maybe clearer to say that /mem has two cgroups, AB and C. The
abstraction provided by libcg would be of three groups, A, B and C.
Asking libcg to move a process to abstract group B would result it
moving to /mem/AB and /cpu/B

Paul
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