From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from oss.sgi.com (localhost [127.0.0.1]) by oss.sgi.com (8.12.3/8.12.3) with ESMTP id g4JJi4nC013441 for ; Sun, 19 May 2002 12:44:04 -0700 Received: (from majordomo@localhost) by oss.sgi.com (8.12.3/8.12.3/Submit) id g4JJi4n6013440 for linux-mips-outgoing; Sun, 19 May 2002 12:44:04 -0700 X-Authentication-Warning: oss.sgi.com: majordomo set sender to owner-linux-mips@oss.sgi.com using -f Received: from dea.linux-mips.net (localhost [127.0.0.1]) by oss.sgi.com (8.12.3/8.12.3) with ESMTP id g4JJi2nC013427 for ; Sun, 19 May 2002 12:44:02 -0700 Received: (from ralf@localhost) by dea.linux-mips.net (8.11.6/8.11.1) id g4JJiZd03340; Sun, 19 May 2002 12:44:35 -0700 Date: Sun, 19 May 2002 12:44:35 -0700 From: Ralf Baechle To: Jun Sun Cc: "Kevin D. Kissell" , Daniel Jacobowitz , Matthew Dharm , Linux-MIPS Subject: Re: MIPS 64? Message-ID: <20020519124435.H20670@dea.linux-mips.net> References: <20020515214818.GA1991@nevyn.them.org> <3CE2DA46.3070402@mvista.com> <007a01c1fca9$86e14f70$10eca8c0@grendel> <3CE3E8BA.8080002@mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <3CE3E8BA.8080002@mvista.com>; from jsun@mvista.com on Thu, May 16, 2002 at 10:13:30AM -0700 X-Accept-Language: de,en,fr Sender: owner-linux-mips@oss.sgi.com Precedence: bulk On Thu, May 16, 2002 at 10:13:30AM -0700, Jun Sun wrote: > BTW, I have been under the impression that demand for larger system RAM > mainly comes from large router/switches to store routing table. Does > anybody know on such systems whether the routing code runs in kernel or > user space and whether it requires all the memory space accessible at > the same time or can live with dynamically managed memory space? Kernel routing is more for the lower end systems; the highend systems use hardware assisted routing / switching where software only handles the boundary cases; such software might either live in user or in kernel space. Ralf