linux-kernel - Re: 2.6.19 file content corruption on ext3

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Message-Id: <1166469019.10372.99.camel@twins>
Date:	Mon, 18 Dec 2006 20:10:19 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	andrei.popa@...eo.ro
Cc:	Linus Torvalds <torvalds@...l.org>, Andrew Morton <akpm@...l.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Hugh Dickins <hugh@...itas.com>,
	Florian Weimer <fw@...eb.enyo.de>,
	Marc Haber <mh+linux-kernel@...schlus.de>,
	Martin Michlmayr <tbm@...ius.com>
Subject: Re: 2.6.19 file content corruption on ext3

On Mon, 2006-12-18 at 21:04 +0200, Andrei Popa wrote:

> diff --git a/mm/rmap.c b/mm/rmap.c
> index d8a842a..3f9061e 100644
> --- a/mm/rmap.c
> +++ b/mm/rmap.c
> @@ -448,7 +448,7 @@ static int page_mkclean_one(struct page 
>  		goto unlock;
>  
>  	entry = ptep_get_and_clear(mm, address, pte);
> -	entry = pte_mkclean(entry);
> +	/*entry = pte_mkclean(entry);*/
>  	entry = pte_wrprotect(entry);
>  	ptep_establish(vma, address, pte, entry);
>  	lazy_mmu_prot_update(entry);

please drop this chunk, this will always make the problem go away.


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