From: Benjamin LaHaise <bcrl@redhat.com>
To: Roger Larsson <roger.larsson@norran.net>
Cc: Rik van Riel <riel@conectiva.com.br>, linux-mm@kvack.org
Subject: Re: [RFC] Concept: Active/busy "reverse" mapping
Date: Thu, 20 Dec 2001 20:45:24 -0500 [thread overview]
Message-ID: <20011220204524.K6276@redhat.com> (raw)
In-Reply-To: <200112210107.fBL17nL10142@maild.telia.com>; from roger.larsson@norran.net on Fri, Dec 21, 2001 at 02:05:26AM +0100
On Fri, Dec 21, 2001 at 02:05:26AM +0100, Roger Larsson wrote:
> The goal of this code is to make sure that used pages are marked as such.
>
> This is accomplished by:
>
> * When a process is descheduled - look in its mm for used pages - update
> corresponding page. (Done at most once per tick)
Interesting. The same effect is acheived by the reverse mapping code on
a global scale while addressing the issue of how to figure out what extent
memory pressure is needed on the page tables.
-ben
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next prev parent reply other threads:[~2001-12-21 1:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-20 3:39 [PATCH *] 2.4.16-rmap-6 Rik van Riel
2001-12-20 3:39 ` Rik van Riel
2001-12-21 1:05 ` [RFC] Concept: Active/busy "reverse" mapping Roger Larsson
2001-12-21 1:45 ` Benjamin LaHaise [this message]
2001-12-21 11:52 ` Roger Larsson
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