linux-kernel - Re: [PATCH] fix crash when using XFS on loopback

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Date:	Thu, 9 Jan 2014 10:35:12 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Joonsoo Kim <iamjoonsoo.kim@....com>, Helge Deller <deller@....de>,
	Mikulas Patocka <mpatocka@...hat.com>,
	Andi Kleen <ak@...ux.intel.com>,
	Christoph Lameter <cl@...ux.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-parisc@...r.kernel.org
Subject: Re: [PATCH] fix crash when using XFS on loopback

On Thu, Jan 9, 2014 at 2:19 AM, Andrew Morton <akpm@...ux-foundation.org> wrote:
>> cache-misses are reduced by this patchset, roughly 5%.
>> And elapsed times are also improved by 3.1% to baseline.
>
> ah, OK, thanks, useful.  A few instructions added to page_mapping()
> won't have effects like that!

Yup, I merged the series because the numbers were so impressive.

There's a link to the cover letter in merge commit 24f971a but it
would have been better to include them in the changelog itself.

                     Pekka
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