linux-kernel - Re: [RFC] vmstat: Avoid waking up idle-cpu to service shepherd work

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Date:	Sat, 28 Mar 2015 10:04:56 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Michal Hocko <mhocko@...e.cz>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Christoph Lameter <cl@...ux.com>,
	Linaro Kernel Mailman List <linaro-kernel@...ts.linaro.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	vinmenon@...eaurora.org, shashim@...eaurora.org,
	Mel Gorman <mgorman@...e.de>, dave@...olabs.net,
	Konstantin Khlebnikov <koct9i@...il.com>,
	Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: [RFC] vmstat: Avoid waking up idle-cpu to service shepherd work

On 27 March 2015 at 19:49, Michal Hocko <mhocko@...e.cz> wrote:

> Wouldn't something like I was suggesting few months back
> (http://article.gmane.org/gmane.linux.kernel.mm/127569) solve this
> problem as well? Scheduler should be idle aware, no? I mean it shouldn't
> wake up an idle CPU if the task might run on another one.

Probably yes. Lets see what others have to say about it..
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