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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Subject: Re: [PATCH v3 3/3] Prevent activation of page in madvise_dontneed
In-Reply-To: <a0f2905bb64ce33909d7dd74146bfea826fec21a.1291043274.git.minchan.kim@gmail.com>
References: <cover.1291043273.git.minchan.kim@gmail.com> <a0f2905bb64ce33909d7dd74146bfea826fec21a.1291043274.git.minchan.kim@gmail.com>
Message-Id: <20101130100827.82E6.A69D9226@jp.fujitsu.com>
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Date: Tue, 30 Nov 2010 10:08:03 +0900 (JST)
Sender: owner-linux-mm@kvack.org
To: Minchan Kim <minchan.kim@gmail.com>
Cc: kosaki.motohiro@jp.fujitsu.com, Andrew Morton <akpm@linux-foundation.org>, linux-mm <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>, Ben Gamari <bgamari.foss@gmail.com>, Johannes Weiner <hannes@cmpxchg.org>, Nick Piggin <npiggin@kernel.dk>, Mel Gorman <mel@csn.ul.ie>, Wu Fengguang <fengguang.wu@intel.com>
List-ID: <linux-mm.kvack.org>

> Now zap_pte_range alwayas activates pages which are pte_young &&
> !VM_SequentialReadHint(vma). But in case of calling MADV_DONTNEED,
> it's unnecessary since the page wouldn't use any more.
> 
> Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
> Acked-by: Rik van Riel <riel@redhat.com>
> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> Cc: Johannes Weiner <hannes@cmpxchg.org>
> Cc: Nick Piggin <npiggin@kernel.dk>
> Cc: Mel Gorman <mel@csn.ul.ie>
> Cc: Wu Fengguang <fengguang.wu@intel.com>

Looks good to me.
	Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>



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