Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268711AbTGJBux (ORCPT ); Wed, 9 Jul 2003 21:50:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268736AbTGJBux (ORCPT ); Wed, 9 Jul 2003 21:50:53 -0400 Received: from c16805.randw1.nsw.optusnet.com.au ([210.49.26.171]:65157 "EHLO mail.chubb.wattle.id.au") by vger.kernel.org with ESMTP id S268711AbTGJBuw (ORCPT ); Wed, 9 Jul 2003 21:50:52 -0400 From: Peter Chubb MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16140.51447.73888.717087@wombat.chubb.wattle.id.au> Date: Thu, 10 Jul 2003 12:01:27 +1000 To: Daniel Phillips Cc: Jamie Lokier , Davide Libenzi , Mel Gorman , Andrew Morton , Linux Kernel Mailing List , Linux Memory Management List Subject: Re: 2.5.74-mm1 In-Reply-To: <200307100059.57398.phillips@arcor.de> References: <20030703023714.55d13934.akpm@osdl.org> <200307082027.13857.phillips@arcor.de> <20030709222426.GA24923@mail.jlokier.co.uk> <200307100059.57398.phillips@arcor.de> X-Mailer: VM 7.14 under 21.4 (patch 13) "Rational FORTRAN" XEmacs Lucid Comments: Hyperbole mail buttons accepted, v04.18. X-Face: GgFg(Z>fx((4\32hvXq<)|jndSniCH~~$D)Ka:P@e@JR1P%Vr}EwUdfwf-4j\rUs#JR{'h# !]])6%Jh~b$VA|ALhnpPiHu[-x~@<"@Iv&|%R)Fq[[,(&Z'O)Q)xCqe1\M[F8#9l8~}#u$S$Rm`S9% \'T@`:&8>Sb*c5d'=eDYI&GF`+t[LfDH="MP5rwOO]w>ALi7'=QJHz&y&C&TE_3j! Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1036 Lines: 23 >>>>> "Daniel" == Daniel Phillips writes: Daniel> I like your idea of allowing normal users to set SCHED_RR, but Daniel> automatically placing some bound on cpu usage. It's Daniel> guaranteed not to break any existing programs. I suspect that what's really wanted here is not SCHED_RR but guaranteed rate-of-forward progress. A dynamic-window-constrained scheduler (that guarantees not that you'll run until you sleep, but that in any (settable) time period you'll get the opportunity to run for at least (a smaller settable period)) is closer to what's wanted. See http://www.cs.bu.edu/fac/richwest/dwcs.html -- Dr Peter Chubb http://www.gelato.unsw.edu.au peterc AT gelato.unsw.edu.au You are lost in a maze of BitKeeper repositories, all slightly different. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/