linux-kernel - Re: [RFC][PATCH] cgroup: Fix cgroup

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Date:	Fri, 11 Feb 2011 13:13:39 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	Paul Menage <menage@...gle.com>, balbir@...ux.vnet.ibm.com,
	eranian@...gle.com, linux-kernel@...r.kernel.org, mingo@...e.hu,
	paulus@...ba.org, davem@...emloft.net, fweisbec@...il.com,
	perfmon2-devel@...ts.sf.net, eranian@...il.com,
	robert.richter@....com, acme@...hat.com
Subject: Re: [RFC][PATCH] cgroup: Fix cgroup_subsys::exit callback

On Thu, 2011-02-10 at 10:04 +0800, Li Zefan wrote:
> Since both sched and perf won't use the 2 args @cgrp and @old_cgrp,
> don't bother to change the ->exit interface? 

symmetry with ->attach, both sched and perf use a common method to
implement attach and exit, if one needs it the other would too.



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