From owner-freebsd-alpha Sun Jul 18 3:37: 0 1999 Delivered-To: freebsd-alpha@freebsd.org Received: from mail.du.gtn.com (mail.du.gtn.com [194.77.9.57]) by hub.freebsd.org (Postfix) with ESMTP id 5F3E915047 for ; Sun, 18 Jul 1999 03:33:25 -0700 (PDT) (envelope-from ticso@cicely8.cicely.de) Received: from cicely7.cicely.de (cicely.de [194.231.9.142]) by mail.du.gtn.com (8.8.6/8.8.6) with ESMTP id MAA13427; Sun, 18 Jul 1999 12:32:53 +0200 (MET DST) Received: from cicely8.cicely.de (cicely8.cicely.de [10.1.2.10]) by cicely7.cicely.de (8.9.0/8.9.0) with ESMTP id MAA24867; Sun, 18 Jul 1999 12:32:03 +0200 (CEST) Received: (from ticso@localhost) by cicely8.cicely.de (8.9.3/8.9.2) id MAA88802; Sun, 18 Jul 1999 12:32:53 +0200 (CEST) (envelope-from ticso) Date: Sun, 18 Jul 1999 12:32:52 +0200 From: Bernd Walter To: Doug Rabson Cc: Bernd Walter , freebsd-alpha@freebsd.org Subject: Re: 64bit address space on alpha Message-ID: <19990718123251.A88741@cicely8.cicely.de> References: <19990717214226.A87224@cicely8.cicely.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.3i In-Reply-To: ; from Doug Rabson on Sun, Jul 18, 1999 at 09:27:14AM +0100 Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Sun, Jul 18, 1999 at 09:27:14AM +0100, Doug Rabson wrote: > On Sat, 17 Jul 1999, Bernd Walter wrote: > > > I would like to mmap a large file into a single process address space. > > Is it save to increase MAXDSIZ to more than 4G? > > If not is there already work in progress? > > It should be safe to increase MAXDSIZ. The maximum user address space is > about 4T on FreeBSD/alpha. I have programs which mmap about 12G of device > addresses. Mmm 4T interesting... My Documentation says that my 21066 is limited to 43Bit Vitual - which should be something around 4T Applys the 43Bit limit to modern alpha CPUs too or is FreeBSD limiting. -- B.Walter COSMO-Project http://www.cosmo-project.de ticso@cicely.de Usergroup info@cosmo-project.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message