linux-kernel - Re: [PATCH 10/13] cpuset: make CPU / memory hotplug propagation asynchronous

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Message-ID: <20130107164206.GG3926@htj.dyndns.org>
Date:	Mon, 7 Jan 2013 08:42:06 -0800
From:	Tejun Heo <tj@...nel.org>
To:	Li Zefan <lizefan@...wei.com>
Cc:	paul@...lmenage.org, glommer@...allels.com,
	containers@...ts.linux-foundation.org, cgroups@...r.kernel.org,
	peterz@...radead.org, mhocko@...e.cz, bsingharora@...il.com,
	hannes@...xchg.org, kamezawa.hiroyu@...fujitsu.com,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/13] cpuset: make CPU / memory hotplug propagation
 asynchronous

On Sun, Jan 06, 2013 at 04:29:09PM +0800, Li Zefan wrote:
> > +static void schedule_cpuset_propagate_hotplug(struct cpuset *cs)
> > +{
> > +	/*
> > +	 * Pin @cs.  The refcnt will be released when the work item
> > +	 * finishes executing.
> > +	 */
> > +	if (!css_tryget(&cs->css))
> > +		return;
> > +
> > +	/*
> > +	 * Queue @cs->empty_cpuset_work.  If already pending, lose the css
> 
> cs->hotplug_work

Thanks.  Patch updated.

-- 
tejun
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