linux-kernel - Re: [PATCH v8 02/14] vmstat: add vmstat

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Date:	Tue, 20 Oct 2015 15:45:35 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Chris Metcalf <cmetcalf@...hip.com>
cc:	Gilad Ben Yossef <giladb@...hip.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>, Tejun Heo <tj@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Andy Lutomirski <luto@...capital.net>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 02/14] vmstat: add vmstat_idle function

On Tue, 20 Oct 2015, Chris Metcalf wrote:

> This function checks to see if a vmstat worker is not running,
> and the vmstat diffs don't require an update.  The function is
> called from the task-isolation code to see if we need to
> actually do some work to quiet vmstat.

Acked-by: Christoph Lameter <cl@...ux.com>

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