From owner-freebsd-hackers Tue Oct 28 14:05:10 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id OAA24884 for hackers-outgoing; Tue, 28 Oct 1997 14:05:10 -0800 (PST) (envelope-from owner-freebsd-hackers) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id OAA24851; Tue, 28 Oct 1997 14:05:02 -0800 (PST) (envelope-from toor@dyson.iquest.net) Received: (from root@localhost) by dyson.iquest.net (8.8.7/8.8.5) id RAA17354; Tue, 28 Oct 1997 17:04:23 -0500 (EST) From: "John S. Dyson" Message-Id: <199710282204.RAA17354@dyson.iquest.net> Subject: Re: help with fstat? In-Reply-To: <199710282151.OAA15707@usr01.primenet.com> from Terry Lambert at "Oct 28, 97 09:51:31 pm" To: tlambert@primenet.com (Terry Lambert) Date: Tue, 28 Oct 1997 17:04:23 -0500 (EST) Cc: toor@dyson.iquest.net, tlambert@primenet.com, dyson@FreeBSD.ORG, angio@angio.net, perlsta@cs.sunyit.edu, hackers@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL31 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Terry Lambert said: > > > > It doesn't 'discard', but should either deactivate or cache the page. > > > > Pages are usually pretty darned unused by the time they are on the > > inactive or cache queues. > > Ie: what effect does MADV_SEQUENTIAL have on cache thrashing? > It improves it. The system works better. -- John dyson@freebsd.org jdyson@nc.com