Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!munnari.oz.au!lawley From: lawley@cs.mu.OZ.AU (michael lawley) Newsgroups: comp.sys.encore Subject: Re: Multimax thrashing Message-ID: Date: 29 Dec 90 04:37:17 GMT References: <1990Dec3.170300.14750@newcastle.ac.uk> <130064@infocenter.encore.com> <2166@sirius.ucs.adelaide.edu.au> <142@mx-1> <2195@sirius.ucs.adelaide.edu.au> <122@acestes.UUCP> Sender: news@cs.mu.oz.au Reply-To: lawley@mullauna.cs.mu.OZ.AU Organization: Computer Science Dept., University of Melbourne, Australia. Lines: 22 In-reply-to: paradis@acestes.UUCP's message of 26 Dec 90 23:56:38 GMT On 26 Dec 90 23:56:38 GMT, paradis@acestes.UUCP (Jim Paradis) said: [stuff deleted] > Note that only if the page is already in physical memory will you end > up wiring down physical pages this way. If you're so lucky as to be > swapped out 8-), then forking will only wire down the disk blocks on > the paging partition until the last one out turns out the lights... Pages that are swapped out will become locked in physical memory as soon as they are referenced. So, if you don't reference the pages, you gain. Otherwise, all you gain is a slight delay before you lose physical memory. mike -- _--_|\ michael lawley (lawley@cs.mu.OZ.AU). / \ The Unicycling Systems Programmer, \_.--.*/ Melbourne University, Computer Science v "She was the kind of woman who lived for others - you could tell the others by their hunted look." C.S.Lewis