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Re: MIPS 64?

To: Jun Sun <jsun@mvista.com>
Subject: Re: MIPS 64?
From: Ralf Baechle <ralf@oss.sgi.com>
Date: Sun, 19 May 2002 12:44:35 -0700
Cc: "Kevin D. Kissell" <kevink@mips.com>, Daniel Jacobowitz <dan@debian.org>, Matthew Dharm <mdharm@momenco.com>, Linux-MIPS <linux-mips@oss.sgi.com>
In-reply-to: <3CE3E8BA.8080002@mvista.com>; from jsun@mvista.com on Thu, May 16, 2002 at 10:13:30AM -0700
References: <NEBBLJGMNKKEEMNLHGAIOEPPCGAA.mdharm@momenco.com> <20020515214818.GA1991@nevyn.them.org> <3CE2DA46.3070402@mvista.com> <007a01c1fca9$86e14f70$10eca8c0@grendel> <3CE3E8BA.8080002@mvista.com>
Sender: owner-linux-mips@oss.sgi.com
User-agent: Mutt/1.2.5.1i
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

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