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Date: Fri, 04 Sep 2009 16:57:26 -0400
From: Rik van Riel <riel@redhat.com>
Organization: Red Hat, Inc
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To: "Dike, Jeffrey G" <jeffrey.g.dike@intel.com>
CC: "Wu, Fengguang" <fengguang.wu@intel.com>,
       Johannes Weiner <hannes@cmpxchg.org>, Avi Kivity <avi@redhat.com>,
       KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
       Andrea Arcangeli <aarcange@redhat.com>,
       "Yu, Wilfred" <wilfred.yu@intel.com>,
       "Kleen, Andi" <andi.kleen@intel.com>,
       Hugh Dickins <hugh.dickins@tiscali.co.uk>,
       Andrew Morton <akpm@linux-foundation.org>,
       Christoph Lameter <cl@linux-foundation.org>, Mel Gorman <mel@csn.ul.ie>,
       LKML <linux-kernel@vger.kernel.org>, linux-mm <linux-mm@kvack.org>
Subject: Re: [RFC] respect the referenced bit of KVM guest pages?
References: <4A846581.2020304@redhat.com> <20090813211626.GA28274@cmpxchg.org> <4A850F4A.9020507@redhat.com> <20090814091055.GA29338@cmpxchg.org> <20090814095106.GA3345@localhost> <4A856467.6050102@redhat.com> <20090815054524.GB11387@localhost> <9EECC02A4CC333418C00A85D21E89326B6611E81@azsmsx502.amr.corp.intel.com> <20090818022609.GA7958@localhost> <9EECC02A4CC333418C00A85D21E893260184184010@azsmsx502.amr.corp.intel.com> <20090903020452.GA9474@localhost> <9EECC02A4CC333418C00A85D21E8932601841D4A66@azsmsx502.amr.corp.intel.com>
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Dike, Jeffrey G wrote:
> Stupid question - what in your patch allows a text page get kicked out to the inactive list after you've given it an extra pass through the active list?

If it did not get referenced during its second pass through
the active list, it will get deactivated.

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