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Date:	Mon, 04 Apr 2016 21:23:29 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Rik van Riel <riel@...hat.com>,
	Chris Metcalf <cmetcalf@...lanox.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Christoph Lameter <cl@...ux.com>,
	Ingo Molnar <mingo@...nel.org>,
	Luiz Capitulino <lcapitulino@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nohz_full: Make sched_should_stop_tick() more conservative



On 4 April 2016 21:12:23 CEST, Rik van Riel <riel@...hat.com> wrote:

>What is the difference between cfs_rq->h_nr_running,
>and rq->cfs.nr_running?
>
>Why do we have two?


H is for hierarchy. That counts the total of runnable tasks in the entire child hierarchy. Nr_running is the number of se  entities in the current tree.
-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.

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