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Date: Sun, 6 Mar 2005 15:59:41 -0800 (PST)
From: Christoph Lameter <clameter@sgi.com>
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To: Darren Williams <dsw@gelato.unsw.edu.au>
cc: linux-kernel@vger.kernel.org
Subject: Re: Page fault scalability patch V18: Overview
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On Mon, 7 Mar 2005, Darren Williams wrote:

> Hi Christoph
>
> On Fri, 04 Mar 2005, Christoph Lameter wrote:
>
> > Make sure that scrubd_stop on startup is set to 2 and no zero in
> > mm/scrubd.c. The current patch on oss.sgi.com may have that set to zero.
> >
> unsigned int sysctl_scrub_stop = 2;     /* Mininum order of page to zero */
>
> This is the assignment when page zero fails.

Could you just test this with the prezeroing patches alone?
Include a dmesg from a successful boot and then tell me what
you changed and where the boot failed. Which version of the patches did
you apply?