From owner-freebsd-arch Wed Oct 9 16:48:37 2002 Delivered-To: freebsd-arch@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 43D0437B406 for ; Wed, 9 Oct 2002 16:48:36 -0700 (PDT) Received: from softweyr.com (softweyr.com [65.88.244.127]) by mx1.FreeBSD.org (Postfix) with ESMTP id 508BF43E7B for ; Wed, 9 Oct 2002 16:48:35 -0700 (PDT) (envelope-from wes@softweyr.com) Received: from nextgig-8.access.nethere.net ([66.63.140.200] helo=softweyr.com) by softweyr.com with esmtp (Exim 3.35 #1) id 17zQYs-000LRh-00; Wed, 09 Oct 2002 17:48:19 -0600 Message-ID: <3DA4C2F1.74450081@softweyr.com> Date: Wed, 09 Oct 2002 16:59:45 -0700 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.78 [en] (X11; U; Linux 2.4.2 i386) X-Accept-Language: en MIME-Version: 1.0 To: Terry Lambert Cc: Nate Lawson , "Vladimir B. Grebenschikov" , arch@FreeBSD.org Subject: Re: using mem above 4Gb was: swapon some regular file References: <3DA35D58.B1B5D78D@mindspring.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Terry Lambert wrote: > > PSE-36 and PAE give you access to a 36 bit address space. But you > are still limited to a 32 bit *linear* address space. > > More RAM in a 32 bit machine, even if you can wave the appropriate > entrails over the keyboard so that it's accessible to the OS, will > *NOT* increase the linear address space. > > IMO, if you want a larger linear address space, instead of pretending > you have one, buy yourself an IA64 instead. Or an Alpha, or a SPARC64, or a MIPS64, etc. But they all seem to cost more than a PIII solution, except perhaps a Netra and you can't cram enough RAM in that to make a difference. -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC wes@softweyr.com http://softweyr.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message