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Date: Thu, 9 Nov 2000 16:41:41 +0000 (GMT)
From: Tigran Aivazian <tigran@veritas.com>
To: linux-kernel@vger.kernel.org
Subject: Re: why do we need pg1?
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On Thu, 9 Nov 2000, Tigran Aivazian wrote:

> Hi,
> 
> The code which sets up the page table at pg0 (in head.S) goes all the way
> until it hits empty_zero_page so I don't understand why we need the label
> pg1 in between, since it is never referred to by any other code?
> 
> Also, is the comment in asm/pgtable.h
> 
> /* page table for 0-4MB for everybody */
> extern unsigned long pg0[1024];
> 
> true or false? Isn't it for 0-8M as head.S claims?

after a minute of thought, the answer to the second question is now
obvious, but the answer to the first one still is _not_.

Regards,
Tigran

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