From: Ralf Baechle <ralf@oss.sgi.com>
To: "Steven J. Hill" <sjhill@cotw.com>
Cc: linux-mips@oss.sgi.com
Subject: Re: What is the maximum physical RAM for a 32bit MIPS core?
Date: Wed, 6 Feb 2002 03:33:46 +0100 [thread overview]
Message-ID: <20020206033346.A7298@dea.linux-mips.net> (raw)
In-Reply-To: <3C600D4C.43CBA784@cotw.com>; from sjhill@cotw.com on Tue, Feb 05, 2002 at 10:50:20AM -0600
On Tue, Feb 05, 2002 at 10:50:20AM -0600, Steven J. Hill wrote:
> I am just trying to fill in some more MIPS knowledge here. With a 32-bit
> MIPS processor, we are forever limited to a userspace of 2GB in size thanks
> to the kuser region. kseg0/1 map the same 512MB of physical memory. kseg2
> is 1GB in size and hence it could address another 1GB of RAM. So, is the
2gb virtual memory per process. In theory physical memory is limited by
the size of the address bus with highmem; the practical limit for highmem
should be in the range of 16-32gb RAM.
Ralf
next prev parent reply other threads:[~2002-02-06 2:35 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-05 16:50 What is the maximum physical RAM for a 32bit MIPS core? Steven J. Hill
2002-02-05 17:47 ` Hartvig Ekner
2002-02-05 20:46 ` Steven J. Hill
2002-02-05 20:53 ` Hartvig Ekner
2002-02-05 20:53 ` Hartvig Ekner
2002-02-05 21:15 ` Pete Popov
2002-02-05 21:24 ` Steven J. Hill
2002-02-05 21:44 ` Pete Popov
2002-02-05 21:58 ` Bradley D. LaRonde
2002-02-05 21:58 ` Bradley D. LaRonde
2002-02-06 8:49 ` Geert Uytterhoeven
2002-02-06 11:16 ` nick
2002-02-06 12:07 ` Geert Uytterhoeven
2002-02-06 14:14 ` Bradley D. LaRonde
2002-02-06 14:14 ` Bradley D. LaRonde
2002-02-06 5:29 ` Ralf Baechle
2002-02-06 2:33 ` Ralf Baechle [this message]
2002-02-06 13:17 ` William Lee Irwin III
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