linux-kernel - Re: VM: Fix nasty and subtle race in shared mmap'ed page writeback

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Date:	Mon, 29 Jan 2007 15:11:17 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Andrea Gelmini <gelma@...ma.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: VM: Fix nasty and subtle race in shared mmap'ed page writeback

On Mon, 2007-01-29 at 15:08 +0100, Andrea Gelmini wrote:
> On Mon, Jan 22, 2007 at 10:10:39AM +0100, Peter Zijlstra wrote:
> > On Fri, 2007-01-12 at 01:39 +0100, Andrea Gelmini wrote:
> > > Hi,
> > > 	I can't do the test 'till next week.
> > > 
> > > Thanks a lot for your time,
> > > Gelma
> > 
> > Have you ever gotten around to testing this?
> 
> well, I spent some time doing more deeply test.
> DB corruption happens anyway, even with the kernel that seems to work
> (I say seems because it needs much more effort to get corruption).
> I'm trying to understand it.
> I will work more over it next week.
> 
> thank a lot for your time,

Sure, no problem.

Just a question to clarify matters, which kernels are you testing?
That is, you say corruption is now harder to trigger, is that with
the .20-rc kernels (or .19.2). Or are we talking about .18 + my patch?



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