From owner-freebsd-hackers Sun Mar 11 20:48:26 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from zogbe.tasam.com (hc6526bd1.dhcp.vt.edu [198.82.107.209]) by hub.freebsd.org (Postfix) with ESMTP id 3DF1437B719 for ; Sun, 11 Mar 2001 20:48:22 -0800 (PST) (envelope-from clash@tasam.com) Received: from blah (hc6526bd1.dhcp.vt.edu [198.82.107.209]) by zogbe.tasam.com (8.11.3/8.11.3) with SMTP id f2C4mAR23517; Sun, 11 Mar 2001 23:48:10 -0500 (EST) Message-ID: <003701c0aaaf$a4566ce0$dc02010a@fireduck.com> From: "Joseph Gleason" To: "Alfred Perlstein" , "Ian Campbell" Cc: References: <20010311204130.N18351@fw.wintelcom.net> Subject: Re: Greater than 2GB per process Date: Sun, 11 Mar 2001 23:48:09 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG ----- Original Message ----- From: "Alfred Perlstein" To: "Ian Campbell" Cc: Sent: Sunday, March 11, 2001 23:41 Subject: Re: Greater than 2GB per process > * Ian Campbell [010311 16:14] wrote: > > > > Hello, > > Could anybody advise me on the possiblity of having greater than > > 2GB per process on FreeBSD. I have tried increasing the limit beyond this > > and the kernel compiles successfully - however libc causes every process > > to segfault. I am assuming that just recompiling the C library wouldn't do > > the trick but perhaps someone could confirm this. > > It's not possible on the Intel archetecture with the current system, > changing the current intel system to use > 2GB processes would cost too > much in terms of performance (64 bit values on a 32 bit system). > > At least that's what i've been told. > I know very little about how kernel or low level processor stuff works, but shouldn't we be able to do a 4GB process on a 32-bit system? The limitation of 2GB per process should only be an issue if there is some need to use signed numbers, right? Joe Gleason To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message