linux-kernel - Re: [PATCH 2/2] cgroup, cpuset: remove cgroup_subsys->post

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Message-ID: <50A3C4C5.10004@parallels.com>
Date:	Wed, 14 Nov 2012 17:20:21 +0100
From:	Glauber Costa <glommer@...allels.com>
To:	Tejun Heo <tj@...nel.org>
CC:	Li Zefan <lizefan@...wei.com>, <cgroups@...r.kernel.org>,
	<containers@...ts.linux-foundation.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] cgroup, cpuset: remove cgroup_subsys->post_clone()

On 11/13/2012 09:27 PM, Tejun Heo wrote:
> From bbf2566f9f4fc79ff3320e83cafb69533efc9ea0 Mon Sep 17 00:00:00 2001
> From: Tejun Heo <tj@...nel.org>
> Date: Tue, 13 Nov 2012 12:21:50 -0800
> 
> Currently CGRP_CPUSET_CLONE_CHILDREN triggers ->post_clone().  Now
> that clone_children is cpuset specific, there's no reason to have this
> rather odd option activation mechanism in cgroup core.  cpuset can
> check the flag from its ->css_allocate() and take the necessary
> action.
> 
> Move cpuset_post_clone() logic to the end of cpuset_css_alloc() and
> remove cgroup_subsys->post_clone().
> 
> Loosely based on Glauber's "generalize post_clone into post_create"
> patch.
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Original-patch-by: Glauber Costa <glommer@...allels.com>
> Original-patch: <1351686554-22592-2-git-send-email-glommer@...allels.com>
> Cc: Glauber Costa <glommer@...allels.com>

I don't have any preference one way or the other. This patch seems to do
the job.



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