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Subject: Re: [PATCH] nfs: fix nfs_writepage()
From: Peter Zijlstra <peterz@infradead.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>,
       linux-kernel <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@linux-foundation.org>
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Date: Wed, 17 Oct 2007 18:02:45 +0200
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On Wed, 2007-10-17 at 16:55 +0100, Christoph Hellwig wrote:
> On Wed, Oct 17, 2007 at 11:47:54AM -0400, Trond Myklebust wrote:
> > Put differently:
> >       * _who_ is dirtying the page when the swapper is trying to write
> >         the page out?
> >       * why are they not calling either page_mkwrite() or
> >         commit_write()?
> 
> Apparently Peter has some broken patches in his tree that cause this.
> It can for sure not happen in mainline and that's absolutely intentional.

Yeah, I got fooled by thinking swapper_space was 'proper' usage.