From owner-freebsd-hackers Tue Feb 16 9:33:19 1999 Received: from iquest3.iquest.net (iquest3.iquest.net [209.43.20.203]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id JAA13631 for ; Tue, 16 Feb 1999 09:33:17 -0800 (PST) (envelope-from toor@y.dyson.net) Received: (qmail 15235 invoked from network); 16 Feb 1999 14:46:24 -0000 Received: from dyson.iquest.net (HELO y.dyson.net) (198.70.144.127) by iquest3.iquest.net with SMTP; 16 Feb 1999 14:46:24 -0000 Received: (from root@localhost) by y.dyson.net (8.9.1/8.9.1) id JAA01457; Tue, 16 Feb 1999 09:46:24 -0500 (EST) Message-Id: <199902161446.JAA01457@y.dyson.net> Subject: Re: inode / exec_map interlock ? (follow up) In-Reply-To: <199902161433.JAA01411@y.dyson.net> from "John S. Dyson" at "Feb 16, 99 09:33:30 am" To: dyson@iquest.net Date: Tue, 16 Feb 1999 09:46:24 -0500 (EST) Cc: dillon@apollo.backplane.com, dyson@iquest.net, freebsd-hackers@FreeBSD.ORG From: "John S. Dyson" Reply-To: dyson@iquest.net X-Mailer: ELM [version 2.4ME+ PL38 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG John S. Dyson said: > Matthew Dillon said: > > > > The ORIGINAL VM CODE. Do I need to repeat that? The *ORIGINAL* VM CODE > > does not have one single line of source to prevent excessive queueing > > of I/O for pageout ops. > > > You are wrong. Please look at the code. I will point the code out to you > if you want, but I suspect that you don't want to know. > Please refer to the message that I sent to you on 10 Jan 99 for some more information in that arena. Apparently you didn't listen -- and what I said describes essentially what the nastier (but correctly working) swap pager does. I even explained to you in terms of "clogging" the I/O subsystem and blindly freeing pages. That is a *very* real problem, and the old swap pager largely stopped that from happening. -- John | Never try to teach a pig to sing, dyson@iquest.net | it makes one look stupid jdyson@nc.com | and it irritates the pig. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message