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Date: Fri, 3 Sep 2010 20:21:01 -0700
From: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 3/3] mm: page allocator: Drain per-cpu lists after
 direct reclaim allocation fails
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To: Dave Chinner <david@fromorbit.com>
Cc: Mel Gorman <mel@csn.ul.ie>, Linux Kernel List <linux-kernel@vger.kernel.org>, linux-mm@kvack.org, Rik van Riel <riel@redhat.com>, Johannes Weiner <hannes@cmpxchg.org>, Minchan Kim <minchan.kim@gmail.com>, Christoph Lameter <cl@linux-foundation.org>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>, Wu Fengguang <fengguang.wu@intel.com>, David Rientjes <rientjes@google.com>
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On Sat, 4 Sep 2010 12:25:45 +1000 Dave Chinner <david@fromorbit.com> wrote:

> Still, given the improvements in performance from this patchset,
> I'd say inclusion is a no-braniner....

OK, thanks.

It'd be interesting to check the IPI frequency with and without -
/proc/interrupts "CAL" field.  Presumably it went down a lot.

I wouldn't bust a gut over it though :)

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