linux-kernel - Re: [PATCH 2/9] ksm: let shared pages be swappable

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Message-ID: <20091201095947.GM30235@random.random>
Date:	Tue, 1 Dec 2009 10:59:47 +0100
From:	Andrea Arcangeli <aarcange@...hat.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Izik Eidus <ieidus@...hat.com>,
	Chris Wright <chrisw@...hat.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH 2/9] ksm: let shared pages be swappable

On Tue, Dec 01, 2009 at 06:46:06PM +0900, KOSAKI Motohiro wrote:
> Ah, well. please wait a bit. I'm under reviewing Larry's patch. I don't
> dislike your idea. last mail only pointed out implementation thing.

Yep thanks for pointing it out. It's an implementation thing I don't
like. The VM should not ever touch ptes when there's light VM pressure
and plenty of unmapped clean cache available, but I'm ok if others
disagree and want to keep it that way.
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