From owner-freebsd-hackers Thu Aug 2 11:49:50 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from sabre.velocet.net (sabre.velocet.net [198.96.118.66]) by hub.freebsd.org (Postfix) with ESMTP id F1FD037B403 for ; Thu, 2 Aug 2001 11:49:46 -0700 (PDT) (envelope-from dgilbert@office.tor.velocet.net) Received: from office.tor.velocet.net (trooper.velocet.net [204.138.45.2]) by sabre.velocet.net (Postfix) with ESMTP id 24DBF137FCA; Thu, 2 Aug 2001 14:49:46 -0400 (EDT) Received: (from dgilbert@localhost) by office.tor.velocet.net (8.11.4/8.9.3) id f72Injc46720; Thu, 2 Aug 2001 14:49:45 -0400 (EDT) (envelope-from dgilbert) From: David Gilbert MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15209.41161.658146.175559@trooper.velocet.net> Date: Thu, 2 Aug 2001 14:49:45 -0400 To: Julian Elischer Cc: David Gilbert , Freebsd-hackers@freebsd.org Subject: Re: _real_ ram disk needed ... In-Reply-To: References: <15209.36726.676011.413494@trooper.velocet.net> X-Mailer: VM 6.92 under 20.4 "Emerald" XEmacs Lucid Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG >>>>> "Julian" == Julian Elischer writes: Julian> It might be possible to make a device that could acces > 4GB Julian> using the new paging methods available in PIII but it might Julian> require suspending th erest of the OS while you do it, and Julian> having a 4MB 'window' into which you COPY data to and from the Julian> extended space. (still it may be faster than disk) Well... I also suspect that you could "hack" something up that split the address space among several processes, but the requirement that writing not block is more important than absoutely getting to 6 gig. Dave. -- ============================================================================ |David Gilbert, Velocet Communications. | Two things can only be | |Mail: dgilbert@velocet.net | equal if and only if they | |http://www.velocet.net/~dgilbert | are precisely opposite. | =========================================================GLO================ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message