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Re: [PATCH] mm: Fix XFS oops due to dirty pages without buffers on s390

To: Hugh Dickins <hughd@xxxxxxxxxx>
Subject: Re: [PATCH] mm: Fix XFS oops due to dirty pages without buffers on s390
From: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Date: Thu, 11 Oct 2012 09:42:57 +0200
Cc: Jan Kara <jack@xxxxxxx>, linux-mm@xxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx, Mel Gorman <mgorman@xxxxxxx>, linux-s390@xxxxxxxxxxxxxxx
In-reply-to: <alpine.LSU.2.00.1210101402310.1939@xxxxxxxxxxxx>
Organization: IBM Corporation
References: <1349108796-32161-1-git-send-email-jack@xxxxxxx> <alpine.LSU.2.00.1210082029190.2237@xxxxxxxxxxxx> <20121009162107.GE15790@xxxxxxxxxxxxx> <alpine.LSU.2.00.1210091824390.30802@xxxxxxxxxxxx> <20121010085524.GA32581@xxxxxxxxxxxxx> <alpine.LSU.2.00.1210101402310.1939@xxxxxxxxxxxx>
On Wed, 10 Oct 2012 14:28:32 -0700 (PDT)
Hugh Dickins <hughd@xxxxxxxxxx> wrote:

> But perhaps these machines aren't much into heavy swapping.  Now, 
> if Martin would send me a nice little zSeries netbook for Xmas,
> I could then test that end of it myself ;)

Are you sure about that? The electricity cost alone for such a beast
is quite high ;-)

> I've just arrived at the conclusion that page migration does _not_
> have a problem with transferring the dirty storage key: I had been
> thinking that your testing might stumble on that issue, and need a
> further patch, but I'll explain in other mail why now I think not.

That is good to know, one problem less on the list.

-- 
blue skies,
   Martin.

"Reality continues to ruin my life." - Calvin.

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