Date: Thu, 16 May 1996 09:24:08 -0500 (EST) From: "John S. Dyson" <toor@dyson.iquest.net> To: rminnich@Sarnoff.COM (Ron G. Minnich) Cc: toor@dyson.iquest.net, jgreco@brasil.moneng.mei.com, hackers@FreeBSD.ORG Subject: Re: A question for the VM gurus..! Message-ID: <199605161424.JAA13589@dyson.iquest.net> In-Reply-To: <Pine.SUN.3.91.960516080633.12621D-100000@terra> from "Ron G. Minnich" at May 16, 96 08:08:02 am
next in thread | previous in thread | raw e-mail | index | archive | help
> > > MADV_WILLNEED appears to fault pages (again, asynchrnously, from what I can > > > tell). > > Hmmm... time to implement kernel threads. > > actually, sunos had async. read-ahead from 1988 on, long before kernel > threads. They just queued an i/o and did not wait for the result. So you > don't absolutely have to have kernel threads. > We used to have async readahead in the VM system (vnode_pager.) It was a bit tricky, and kernel threads might make it simpler. Maybe not? John
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199605161424.JAA13589>