From owner-freebsd-alpha Sun Mar 12 2:21:33 2000 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 90A7137BDCF for ; Sun, 12 Mar 2000 02:21:26 -0800 (PST) (envelope-from ticso@cicely8.cicely.de) Received: from mail.cicely.de (cicely.de [194.231.9.142]) by mail.du.gtn.com (8.9.3/8.9.3) with ESMTP id LAA20893; Sun, 12 Mar 2000 11:20:15 +0100 (MET) Received: from cicely8.cicely.de (cicely8.cicely.de [10.1.2.10]) by mail.cicely.de (8.9.3/8.9.0) with ESMTP id LAA52557; Sun, 12 Mar 2000 11:21:46 +0100 (CET) Received: (from ticso@localhost) by cicely8.cicely.de (8.9.3/8.9.2) id LAA75397; Sun, 12 Mar 2000 11:21:33 +0100 (CET) (envelope-from ticso) Date: Sun, 12 Mar 2000 11:21:33 +0100 From: Bernd Walter To: Doug Rabson Cc: Bernd Walter , freebsd-alpha@freebsd.org Subject: Re: 64bit address space on alpha Message-ID: <20000312112132.A75380@cicely8.cicely.de> References: <19990718123721.A88813@cicely8.cicely.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0pre3i In-Reply-To: Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Sun, Jul 18, 1999 at 03:41:12PM +0100, Doug Rabson wrote: > On Sun, 18 Jul 1999, Bernd Walter wrote: > > > 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. > > I tried to compile a kernel with MAXDSIZ set to 128G and got several overflow > > compiler warnings: > > > > Are these realy save to ignore? > > I'll check. Just to get you informed about this point: It was completely my fault and it took me realy a half year to recheck and find this stupid thing :( I put (128*1024*1024*1024) in config following the example in LINT. The point is that gcc uses an int to calculate the number behind. Now that I'm using a constant everything is fine... -- 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