From owner-freebsd-hackers Thu Dec 5 19:45:26 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DBF9837B401 for ; Thu, 5 Dec 2002 19:45:25 -0800 (PST) Received: from mailrelay1.lanl.gov (mailrelay1.lanl.gov [128.165.4.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id 24BB743E9C for ; Thu, 5 Dec 2002 19:45:25 -0800 (PST) (envelope-from rminnich@lanl.gov) Received: from ccs.lanl.gov (localhost.localdomain [127.0.0.1]) by mailrelay1.lanl.gov (8.12.3/8.12.3/(ccn-5)) with SMTP id gB63jO9i017846 for ; Thu, 5 Dec 2002 20:45:24 -0700 Received: (qmail 2278 invoked from network); 5 Dec 2002 20:45:23 -0700 Received: from unknown (HELO carotid.ccs.lanl.gov) (128.165.148.162) by 128.165.148.1 with SMTP; 5 Dec 2002 20:45:23 -0700 Received: (qmail 13029 invoked by uid 3499); 5 Dec 2002 20:45:23 -0700 Received: from localhost (sendmail-bs@127.0.0.1) by localhost with SMTP; 5 Dec 2002 20:45:23 -0700 Date: Thu, 5 Dec 2002 20:45:23 -0700 (MST) From: "Ronald G. Minnich" X-X-Sender: rminnich@carotid.ccs.lanl.gov To: David Schultz Cc: Gary Thorpe , Terry Lambert , Subject: Re: maxusers and random system freezes In-Reply-To: <20021206024839.GA14624@HAL9000.homeunix.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII 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 On Thu, 5 Dec 2002, David Schultz wrote: > Linux used to do that, but AFAIK it doesn't anymore. Linux puts kvm at 0xc0000000, kernel at physical 0x100000, etc. There was a time when you could address all of physical memory just by direct-mapping the PTEs, since base of 0xc0000000 means KVM space of 0x40000000. Those days are gone. ron To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message