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Date:   Wed, 20 Dec 2017 05:21:37 +0100
From:   Mike Galbraith <efault@....de>
To:     Peter Zijlstra <peterz@...radead.org>,
        Mel Gorman <mgorman@...hsingularity.net>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Matt Fleming <matt@...eblueprint.co.uk>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/4] sched: Comment on why sync wakeups try to run on
 the current CPU

On Wed, 2017-12-20 at 05:09 +0100, Mike Galbraith wrote:
>  Nope, stacking based upon that
> hint is most definitely not a good idea :)

Except when heavily loaded.  The only thing worse for communicating
hogs being stacked is communicating hogs talking with another hog
between them.

	-Mike

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