linux-kernel - Re: [PATCH 03/11] mm: vmscan: Check if we isolated a compound page during lumpy scan

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Message-ID: <4EEA80F9.5040407@redhat.com>
Date:	Thu, 15 Dec 2011 18:21:29 -0500
From:	Rik van Riel <riel@...hat.com>
To:	Mel Gorman <mgorman@...e.de>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Dave Jones <davej@...hat.com>, Jan Kara <jack@...e.cz>,
	Andy Isaacson <adi@...apodia.org>,
	Johannes Weiner <jweiner@...hat.com>,
	Nai Xia <nai.xia@...il.com>, Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 03/11] mm: vmscan: Check if we isolated a compound page
 during lumpy scan

On 12/14/2011 10:41 AM, Mel Gorman wrote:
> From: Andrea Arcangeli<aarcange@...hat.com>
>
> Properly take into account if we isolated a compound page during the
> lumpy scan in reclaim and skip over the tail pages when encountered.
> This corrects the values given to the tracepoint for number of lumpy
> pages isolated and will avoid breaking the loop early if compound
> pages smaller than the requested allocation size are requested.
>
> [mgorman@...e.de: Updated changelog]
> Signed-off-by: Andrea Arcangeli<aarcange@...hat.com>
> Signed-off-by: Mel Gorman<mgorman@...e.de>
> Reviewed-by: Minchan Kim<minchan.kim@...il.com>

Reviewed-by: Rik van Riel <riel@...hat.com>

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