linux-kernel - Re: [PATCH v2 07/10] In order putback lru core

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Message-ID: <4DE6AA49.4090907@redhat.com>
Date:	Wed, 01 Jun 2011 17:08:25 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Minchan Kim <minchan.kim@...il.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-mm <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Mel Gorman <mgorman@...e.de>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>
Subject: Re: [PATCH v2 07/10] In order putback lru core

On 05/29/2011 02:13 PM, Minchan Kim wrote:
> This patch defines new APIs to put back the page into previous position of LRU.
> The idea I suggested in LSF/MM is simple.
>
> When we try to put back the page into lru list and if friends(prev, next) of the page
> still is nearest neighbor, we can insert isolated page into prev's next instead of
> head of LRU list. So it keeps LRU history without losing the LRU information.

> Cc: KAMEZAWA Hiroyuki<kamezawa.hiroyu@...fujitsu.com>
> Cc: KOSAKI Motohiro<kosaki.motohiro@...fujitsu.com>
> Cc: Mel Gorman<mgorman@...e.de>
> Cc: Rik van Riel<riel@...hat.com>
> Cc: Andrea Arcangeli<aarcange@...hat.com>
> Signed-off-by: Minchan Kim<minchan.kim@...il.com>

Looks reasonable.

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