linux-kernel - Re: [PATCH 11/25] Calculate the cold parameter for allocation only once

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Message-ID: <20090421154703.GC29083@csn.ul.ie>
Date:	Tue, 21 Apr 2009 16:47:03 +0100
From:	Mel Gorman <mel@....ul.ie>
To:	Christoph Lameter <cl@...ux.com>
Cc:	Linux Memory Management List <linux-mm@...ck.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Nick Piggin <npiggin@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Lin Ming <ming.m.lin@...el.com>,
	Zhang Yanmin <yanmin_zhang@...ux.intel.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 11/25] Calculate the cold parameter for allocation only
	once

On Tue, Apr 21, 2009 at 11:25:34AM -0400, Christoph Lameter wrote:
> On Tue, 21 Apr 2009, Mel Gorman wrote:
> 
> > On Fri, Mar 20, 2009 at 11:09:40AM -0400, Christoph Lameter wrote:
> > >
> > > Reviewed-by: Christoph Lameter <cl@...ux-foundation.org>
> > I apologise, I've it added now. While the patch is currently dropped from the
> > set, I'll bring it back later for further discussion when it can be
> > established if it really helps or not.
> 
> Sooo much self-doubt.....

Not as such. the objective was to get a patchset that was
uncontroversial and relatively clear wins. This is not as clear cut as I
don't have data on exactly how much it helps right now. It'll be easier
to revisit in isolation than half-way through this set.

> Could you post the not included patches at the
> end of your patchsets so that others can help improve those?
> 

When I get this set finalised, pass two will start with a posting of
everything that got thrown out during this pass such as this patch, the
high order in PCP stuff, the gfp zone patch etc.

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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