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Re: mips_memory_upper

To: Scott A McConnell <>
Subject: Re: mips_memory_upper
From: "Maciej W. Rozycki" <>
Date: Mon, 9 Apr 2001 16:15:02 +0200 (MET DST)
In-reply-to: <>
Organization: Technical University of Gdansk
On Mon, 9 Apr 2001, Scott A McConnell wrote:

> Used to be defined in ./arch/mips/kernel/setup.c

 It's no longer needed -- MIPS now uses the bootmem allocator cosistently
across system variations.  Memory holes are now permitted.  User may
override the determined memory map using a kernel command line (for
debugging, to isolate a faulty module, etc.).  The add_memory_region()
function is used to register an area of memory. 

> It is no longer defined. I also noticed that badget is now using
> vac_memory_upper.

 This is a system-specific value to write into chipset registers.  It's
not overriden by a kernel command line in any case to initialize the
chipset properly.  I can't say anything more specific about it -- I'm not
a Baget expert. 

+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+        e-mail:, PGP key available        +

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