linux-kernel - Re: [PATCH 4/5] workqueue: update NUMA affinity for the node lost CPU

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Message-ID: <20141225201735.GD22951@htj.dyndns.org>
Date:	Thu, 25 Dec 2014 15:17:35 -0500
From:	Tejun Heo <tj@...nel.org>
To:	Lai Jiangshan <laijs@...fujitsu.com>
Cc:	linux-kernel@...r.kernel.org,
	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>,
	"Gu, Zheng" <guz.fnst@...fujitsu.com>,
	tangchen <tangchen@...fujitsu.com>,
	Hiroyuki KAMEZAWA <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [PATCH 4/5] workqueue: update NUMA affinity for the node lost CPU

On Mon, Dec 15, 2014 at 09:28:40AM +0800, Lai Jiangshan wrote:
> > The foundation those pools were standing are gone.
> 
> This statement is not true unless we write some code to force them,
> dequeue them from the unbound_pool_hash, for example.

Yeah, that's the obvious thing to do.  Those pools are dead.  Take
them off the namespace and drain the existing usages.

-- 
tejun
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