linux-kernel - Re: [PATCH 3/3] mm: page allocator: Drain per-cpu lists after direct reclaim allocation fails

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Message-Id: <20100903202101.f937b0bb.akpm@linux-foundation.org>
Date:	Fri, 3 Sep 2010 20:21:01 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	Mel Gorman <mel@....ul.ie>,
	Linux Kernel List <linux-kernel@...r.kernel.org>,
	linux-mm@...ck.org, Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Minchan Kim <minchan.kim@...il.com>,
	Christoph Lameter <cl@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	David Rientjes <rientjes@...gle.com>
Subject: Re: [PATCH 3/3] mm: page allocator: Drain per-cpu lists after
 direct reclaim allocation fails

On Sat, 4 Sep 2010 12:25:45 +1000 Dave Chinner <david@...morbit.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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