linux-kernel - Re: vmstat: On demand vmstat workers V8

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Date:	Wed, 06 Aug 2014 21:50:04 -0400
From:	Sasha Levin <sasha.levin@...cle.com>
To:	Christoph Lameter <cl@...two.org>
CC:	akpm@...ux-foundation.org, Gilad Ben-Yossef <gilad@...yossef.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Tejun Heo <tj@...nel.org>, John Stultz <johnstul@...ibm.com>,
	Mike Frysinger <vapier@...too.org>,
	Minchan Kim <minchan.kim@...il.com>,
	Hakan Akkan <hakanakkan@...il.com>,
	Max Krasnyansky <maxk@...lcomm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, hughd@...gle.com,
	viresh.kumar@...aro.org, hpa@...or.com, mingo@...nel.org,
	peterz@...radead.org
Subject: Re: vmstat: On demand vmstat workers V8

On 08/06/2014 10:12 AM, Christoph Lameter wrote:
> On Tue, 5 Aug 2014, Sasha Levin wrote:
> 
>> > I can easily trigger it by cranking up the cpu hotplug code. Just try to
>> > frequently offline and online cpus, it should reproduce quickly.
> Thats what I thought.
> 
> The test was done with this fix applied right?

Nope, I never saw the patch before. Applied it and the problem goes away. Thanks!


Thanks,
Sasha
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