Date: Tue, 16 Feb 1999 09:46:24 -0500 (EST) From: "John S. Dyson" <dyson@iquest.net> To: dyson@iquest.net Cc: dillon@apollo.backplane.com, dyson@iquest.net, freebsd-hackers@FreeBSD.ORG Subject: Re: inode / exec_map interlock ? (follow up) Message-ID: <199902161446.JAA01457@y.dyson.net> In-Reply-To: <199902161433.JAA01411@y.dyson.net> from "John S. Dyson" at "Feb 16, 99 09:33:30 am"
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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
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