From owner-freebsd-hackers Sat Feb 10 09:42:09 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id JAA01990 for hackers-outgoing; Sat, 10 Feb 1996 09:42:09 -0800 (PST) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id JAA01981 for ; Sat, 10 Feb 1996 09:42:03 -0800 (PST) Received: (from root@localhost) by dyson.iquest.net (8.6.11/8.6.9) id MAA03889; Sat, 10 Feb 1996 12:38:15 GMT From: "John S. Dyson" Message-Id: <199602101238.MAA03889@dyson.iquest.net> Subject: Re: Compressed RAM/SWAP To: dufault@hda.com (Peter Dufault) Date: Sat, 10 Feb 1996 12:38:15 +0000 () Cc: luigi@labinfo.iet.unipi.it, hackers@FreeBSD.ORG In-Reply-To: <199602101037.FAA09522@hda.com> from "Peter Dufault" at Feb 10, 96 05:37:15 am X-Mailer: ELM [version 2.4 PL24 ME8] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@FreeBSD.ORG Precedence: bulk > > If there are lots of zero'd pages that aren't used that often, > can't be eliminated, and would benefit from compression wouldn't > it be better to look at a ZFOD (zero fill on demand) mechanism? > Perhaps using that as a HINT as to which pages might be useful targets for compression??? Maybe eliminating the wasteful attempted compression. John Dyson dyson@freebsd.org