linux-kernel - Re: [00/17] Large Blocksize Support V3

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Message-ID: <20070425180528.GH4730@kernel.dk>
Date:	Wed, 25 Apr 2007 20:05:28 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Christoph Lameter <clameter@....com>
Cc:	linux-kernel@...r.kernel.org, Mel Gorman <mel@...net.ie>,
	William Lee Irwin III <wli@...omorphy.com>,
	David Chinner <dgc@....com>,
	Badari Pulavarty <pbadari@...il.com>,
	Maxim Levitsky <maximlevitsky@...il.com>
Subject: Re: [00/17] Large Blocksize Support V3

On Wed, Apr 25 2007, Christoph Lameter wrote:
> On Wed, 25 Apr 2007, Jens Axboe wrote:
> 
> > > Impossible. page is not dereferenced. Cannot cause a NULL pointer 
> > > deference.
> > 
> > Sure I know that, hence the oops happening there is likely fallout from
> > something scribbling where it should not have.
> 
> Hmmm... Must be a big scribble. And you are sure that no bouncing or 
> highmem stuff is done? Any way to figure out what that is?

2038MB LOWMEM available.

All of memory is lowmem. There are no bounces going on, for sure.

-- 
Jens Axboe

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