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List:       uclinux-dev
Subject:    Re: [uClinux-dev] PAGE_OFFSET?
From:       David McCullough <davidm () snapgear ! com>
Date:       2002-01-29 1:16:14
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Jivin Chia Shee Liang lays it down ...
> Hi all,
> 	I know that PAGE_OFFSET is the start of kernel memory in linear address 
> space for linux, but what is its role in uClinux? Should it be pointing to 
> physical memory or what? I'm asking coz the default value of 0xc0000000 
> doesn't exist physically on my board.

It has the same meaning as in real linux.  Point to the first byte of
real memory in your system.

On coldfire it is 0,  on 68[EV]Z328,  it's up a lot higher,

Cheers,
Davidm

-- 
David McCullough:    Ph: +61 7 3435 2815  http://www.SnapGear.com
davidm@snapgear.com  Fx: +61 7 3891 3630  825 Stanley St., W'gabba QLD 4102, Oz
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