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From: Mike Galbraith <efault@gmx.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
	Jason Low <jason.low2@hp.com>, Ingo Molnar <mingo@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Paul Turner <pjt@google.com>, Alex Shi <alex.shi@intel.com>,
	Preeti U Murthy <preeti@linux.vnet.ibm.com>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Morten Rasmussen <morten.rasmussen@arm.com>,
	Namhyung Kim <namhyung@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Kees Cook <keescook@chromium.org>, Mel Gorman <mgorman@suse.de>,
	Rik van Riel <riel@redhat.com>,
	aswin@hp.com, scott.norton@hp.com, chegu_vinod@hp.com
Subject: Re: [RFC PATCH v2] sched: Limit idle_balance()
Date: Tue, 23 Jul 2013 14:33:10 +0200	[thread overview]
Message-ID: <1374582790.30532.75.camel@marge.simpson.net> (raw)
In-Reply-To: <20130723120501.GY27075@twins.programming.kicks-ass.net>

On Tue, 2013-07-23 at 14:05 +0200, Peter Zijlstra wrote: 
> On Tue, Jul 23, 2013 at 04:36:46PM +0530, Srikar Dronamraju wrote:
> 
> > May be the current max value is a limiting factor, but I think there
> > should be a limit to the maximum value. Peter and Ingo may help us
> > understand why they limited to the 1ms. But I dont think we should
> > introduce a new variable just for this.
> 
> /me blames it all on Mike.. I tried to remember why he did that, but
> alas.

Only to accelerate cutoff after long idle.

-Mike


  reply	other threads:[~2013-07-23 12:33 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-19  7:50 Jason Low
2013-07-19 11:24 ` Preeti U Murthy
2013-07-19 19:28   ` Jason Low
2013-07-21 17:32     ` Preeti U Murthy
2013-07-22 17:42       ` Jason Low
2013-07-22  7:01 ` Srikar Dronamraju
2013-07-22 18:57   ` Jason Low
2013-07-23 11:03     ` Peter Zijlstra
2013-07-24  7:06       ` Jason Low
2013-07-23 11:06     ` Srikar Dronamraju
2013-07-23 12:05       ` Peter Zijlstra
2013-07-23 12:33         ` Mike Galbraith [this message]
2013-07-24  4:24       ` Jason Low

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