linux-kernel - Re: mmotm 2009-04-10-02-21 uploaded

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Message-Id: <1239640488.7866.4.camel@marge.simson.net>
Date:	Mon, 13 Apr 2009 18:34:48 +0200
From:	Mike Galbraith <efault@....de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Valdis.Kletnieks@...edu, Mike Travis <travis@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	mm-commits@...r.kernel.org, Rusty Russell <rusty@...tcorp.com.au>,
	Dave Jones <davej@...hat.com>, Ingo Molnar <mingo@...e.hu>
Subject: Re: mmotm 2009-04-10-02-21 uploaded - forkbombed by work_for_cpu

On Mon, 2009-04-13 at 09:04 -0700, Linus Torvalds wrote:

> So afaik, acpi-cpufreq.c should not use "work_on_cpu()" for that at all. 
> It should just do a smp_call_function_single().

Andrew already fixed it to use smp_call_function_single() because of
another regression.  (mysql+oltp took 10% peak throughput hit here)

	-Mike

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