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Re: Memory Management HAndling

from [Manish Lachwani] [Permanent Link][Original]
To: Ralf Baechle <ralf@linux-mips.org>
Subject: Re: Memory Management HAndling
From: Manish Lachwani <mlachwani@mvista.com>
Date: Fri, 11 Mar 2005 09:06:42 -0800
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Rishabh@soc-soft.com, linux-mips@linux-mips.org
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Ralf Baechle wrote:


On Fri, Mar 11, 2005 at 01:36:31PM +0000, Alan Cox wrote:


On Gwe, 2005-03-11 at 05:25, Rishabh@soc-soft.com wrote:

These macros can handle memory pages in KSEG0. Any suggestions on how
can they be changed for addressing memory present in HIGHMEM. Since VA
will not be in linear relation with mem_map.

Take a look at how kmap() works on x86 and how the mappings are used.


Highmem is supported for MIPS since ~ 2.4.18 or so.

 Ralf
Right, I had the 2.4.21 HIGHMEM working on PMC-Sierra Yosemite. Also, at that time, Sibyte supported HIGHMEM. 

Thanks
Manish Lachwani
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