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Date: Wed, 8 Sep 2010 19:28:35 +0800
From: Wu Fengguang <fengguang.wu@intel.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
        "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
        Linux Kernel List <linux-kernel@vger.kernel.org>,
        Rik van Riel <riel@redhat.com>, Johannes Weiner <hannes@cmpxchg.org>,
        Minchan Kim <minchan.kim@gmail.com>,
        Andrea Arcangeli <aarcange@redhat.com>,
        KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
        KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
        Dave Chinner <david@fromorbit.com>,
        Chris Mason <chris.mason@oracle.com>, Christoph Hellwig <hch@lst.de>,
        Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 05/10] vmscan: Synchrounous lumpy reclaim use
 lock_page() instead trylock_page()
Message-ID: <20100908112835.GB7597@localhost>
References: <1283770053-18833-1-git-send-email-mel@csn.ul.ie>
 <1283770053-18833-6-git-send-email-mel@csn.ul.ie>
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On Mon, Sep 06, 2010 at 06:47:28PM +0800, Mel Gorman wrote:
> From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> 
> With synchrounous lumpy reclaim, there is no reason to give up to reclaim
> pages even if page is locked. This patch uses lock_page() instead of
> trylock_page() in this case.
> 
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> Signed-off-by: Mel Gorman <mel@csn.ul.ie>

Acked-by: Wu Fengguang <fengguang.wu@intel.com>