linux-kernel - Re: [PATCH 5/6] cgroup, cpuset: don't use ss->pre

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Message-Id: <20110826131921.b643491a.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Fri, 26 Aug 2011 13:19:21 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	rjw@...k.pl, paul@...lmenage.org, lizf@...fujitsu.com,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	containers@...ts.linux-foundation.org, fweisbec@...il.com,
	matthltc@...ibm.com
Subject: Re: [PATCH 5/6] cgroup, cpuset: don't use ss->pre_attach()

On Fri, 26 Aug 2011 00:43:11 +0200
Tejun Heo <tj@...nel.org> wrote:

> ->pre_attach() is supposed to be called before migration, which is
> observed during process migration but task migration does it the other
> way around.  The only ->pre_attach() user is cpuset which can do the
> same operaitons in ->can_attach().  Collapse cpuset_pre_attach() into
> cpuset_can_attach().
> 
> -v2: Patch contamination from later patch removed.  Spotted by Paul
>      Menage.
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Acked-by: Paul Menage <paul@...lmenage.org>
> Cc: Li Zefan <lizf@...fujitsu.com>

Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

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