From: Keith Owens <kaos@ocs.com.au>
To: linux-ia64@vger.kernel.org
Subject: Re: Page table mapped and identity segments!
Date: Tue, 04 Nov 2003 10:29:19 +0000 [thread overview]
Message-ID: <marc-linux-ia64-106794194920991@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-106794072219848@msgid-missing>
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.
next prev parent reply other threads:[~2003-11-04 10:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-04 10:22 Page table mapped and identity segments! Ameya Mitragotri
2003-11-04 10:29 ` Keith Owens [this message]
2003-11-04 11:00 ` Christian Hildner
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