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Date: Tue, 03 May 2011 10:50:18 -0400
From: Rik van Riel <riel@redhat.com>
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Subject: Re: [PATCH v2 2/2] Filter unevictable page out in deactivate_page
References: <cover.1304433952.git.minchan.kim@gmail.com> <60486ca121ee8f526a0046f47384579e465bb59e.1304433952.git.minchan.kim@gmail.com>
In-Reply-To: <60486ca121ee8f526a0046f47384579e465bb59e.1304433952.git.minchan.kim@gmail.com>
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To: Minchan Kim <minchan.kim@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-mm <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, Johannes Weiner <hannes@cmpxchg.org>, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>, Mel Gorman <mgorman@suse.de>, Ying Han <yinghan@google.com>

On 05/03/2011 10:48 AM, Minchan Kim wrote:
> It's pointless that deactive_page's pagevec operation about
> unevictable page as it's nop.
> This patch removes unnecessary overhead which might be a bit problem
> in case that there are many unevictable page in system(ex, mprotect workload)
>
> Reviewed-by: KOSAKI Motohiro<kosaki.motohiro@jp.fujitsu.com>
> Signed-off-by: Minchan Kim<minchan.kim@gmail.com>

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

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