Re: Page table mapped and identity segments!

From: Keith Owens <kaos_at_ocs.com.au>
Date: 2003-11-04 21:29:19
On Tue, 4 Nov 2003 15:40:06 +0530, 
"Ameya Mitragotri" <ameya.mitragotri@wipro.com> wrote:
>I am refering to David's and Stephanes's book on the IA64 linux kernel.
>From my understanding, 
>
>1) I can see that the PAGE_OFFSET which designates the start of
>the identity mapped segment starts at 0xe000000000000000 (region 7).
>
>2) This region has the linux kernel text/data/stack segments.
>
>Now after compiling the linux-2.6.0-test5 on an itanium-2 machine,
>the System.map generated contains addresses only starting with
>0xa0000..which means all these lie in the page table mapped segments
>(region 5).

The book refers to the 2.4 and earlier kernels.  In 2.6 kernels the
kernel code and data lives in region 5, not 7.

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Received on Tue Nov 4 05:32:29 2003

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