Date: Wed, 28 Sep 2005 14:56:34 -0700 (PDT)
From: Christoph Lameter <clameter@engr.sgi.com>
To: Rohit Seth <rohit.seth@intel.com>
cc: akpm@osdl.org, linux-mm@kvack.org, Mattia Dongili <malattia@linux.it>,
       linux-kernel@vger.kernel.org, steiner@sgi.com, nickpiggin@yahoo.com.au
Subject: Re: [patch] Reset the high water marks in CPUs pcp list
In-Reply-To: <1127943168.5046.39.camel@akash.sc.intel.com>
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 <1127939185.5046.17.camel@akash.sc.intel.com> 
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On Wed, 28 Sep 2005, Rohit Seth wrote:

> On Wed, 2005-09-28 at 14:09 -0700, Christoph Lameter wrote:
> > On Wed, 28 Sep 2005, Rohit Seth wrote:
> > 
> > > CONFIG_NUMA needs to be defined for that.  And then too for flushing the
> > > remote pages.  Also, when are you flushing the local pcps.  Also note
> > > that this patch is just bringing the free pages on the pcp list closer
> > > to what used to be the number earlier.
> > 
> > What was the reason for the increase of those numbers?
> Bugger batch size to possibly get more physical contiguous pages.  That
> indirectly increased the high water marks for the pcps.

I know that Jack and Nick did something with those counts to insure that 
page coloring effects are avoided. Would you comment?

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