From owner-freebsd-hackers Thu May 25 11:16:29 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from sasami.jurai.net (sasami.jurai.net [63.67.141.99]) by hub.freebsd.org (Postfix) with ESMTP id 2C0E737B5E6 for ; Thu, 25 May 2000 11:16:24 -0700 (PDT) (envelope-from mellon@jurai.net) Received: (from mellon@localhost) by sasami.jurai.net (8.9.3/8.8.7) id OAA07387; Thu, 25 May 2000 14:16:23 -0400 (EDT) Date: Thu, 25 May 2000 14:16:23 -0400 From: Anatoly Vorobey To: hackers@freebsd.org Cc: Matthew Dillon Subject: Re: Proper uses for MFS? Message-ID: <20000525141623.D6776@sasami.jurai.net> References: <200005251705.NAA67491@blackhelicopters.org> <200005251757.KAA83404@apollo.backplane.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: <200005251757.KAA83404@apollo.backplane.com>; from dillon@apollo.backplane.com on Thu, May 25, 2000 at 10:57:33AM -0700 X-Disclaimer: I was young, I needed the money! Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG You, Matthew Dillon, were spotted writing this on Thu, May 25, 2000 at 10:57:33AM -0700: > > I don't particularly like to use MFS for 'large' partitions, mainly > because cached data blocks wind up in core memory twice (once in MFS's > memory map, and once in the VM page cache). You've said this several times in threads on MFS during recent months, and I've always wanted to ask: is that a necessary 'feature' of MFS's architecture, or something which could possibly be fixed without too much hard work? For instance, would it be possible to force VM not to cache MFS pages, etc.? -- Anatoly Vorobey, mellon@pobox.com http://pobox.com/~mellon/ "Angels can fly because they take themselves lightly" - G.K.Chesterton To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message