linux-kernel - Re: 2.6.19-rc2-mm1

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Date:	Tue, 17 Oct 2006 11:29:31 -0700
From:	Andrew Morton <akpm@...l.org>
To:	Cedric Le Goater <clg@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, Nick Piggin <npiggin@...e.de>,
	Carsten Otte <cotte@...enet.de>
Subject: Re: 2.6.19-rc2-mm1

On Tue, 17 Oct 2006 17:45:29 +0200
Cedric Le Goater <clg@...ibm.com> wrote:

> > +mm-fix-pagecache-write-deadlocks.patch
> 
> filemap_xip.c needs a fix also.
> 
> Signed-off-by: Cedric Le Goater <clg@...ibm.com>
> ---
>  mm/filemap_xip.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Index: 2.6.19-rc2-mm1/mm/filemap_xip.c
> ===================================================================
> --- 2.6.19-rc2-mm1.orig/mm/filemap_xip.c
> +++ 2.6.19-rc2-mm1/mm/filemap_xip.c
> @@ -317,7 +317,7 @@ __xip_file_write(struct file *filp, cons
>  			break;
>  		}
>  
> -		copied = filemap_copy_from_user(page, offset, buf, bytes);
> +		copied = filemap_copy_from_user_atomic(page, offset, buf, bytes);
>  		flush_dcache_page(page);
>  		if (likely(copied > 0)) {
>  			status = copied;

<looks>

I think it might actually be that simple.  I expected a lot more fuss than
that.

-
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