From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 20 Dec 2001 20:45:24 -0500 From: Benjamin LaHaise Subject: Re: [RFC] Concept: Active/busy "reverse" mapping Message-ID: <20011220204524.K6276@redhat.com> References: <200112210107.fBL17nL10142@maild.telia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200112210107.fBL17nL10142@maild.telia.com>; from roger.larsson@norran.net on Fri, Dec 21, 2001 at 02:05:26AM +0100 Sender: owner-linux-mm@kvack.org Return-Path: To: Roger Larsson Cc: Rik van Riel , linux-mm@kvack.org List-ID: 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 -- Fish. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/