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[debian-users:54549] Re: AMD 64bit CPU の PAGE_OFFSET ?
- From: Masakazu Takahashi <emasaka@xxxxxxxxx>
- Subject: [debian-users:54549] Re: AMD 64bit CPU の PAGE_OFFSET ?
- Date: Wed, 13 Oct 2010 17:19:06 +0900
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2010/10/13 tanaka <tanaka_hideo@xxxxxxxxxxx>:
> こんばんは、
>
> debian固有の話題ではありませんが、失礼致します。
>
> AMD 64bit版の ユーザ領域とカーネル領域の境目は
>
> カーネルソースに書かれている
>
> --- ここから --------------------------------------
> include/asm/page_64_types.h:#define __PAGE_OFFSET
> _AC(0xffff880000000000, UL)
> --- ここまで --------------------------------------
>
> 0xffff 8800 0000 0000 という理解で正しいでしょうか？
「境目」というと、求める意図にもよるかとは思いますが、0 ですかね。
Debian（lenny）ですと、linux-doc-2.6.26 をインストールして
/usr/share/doc/linux-doc-2.6.26/Documentation/x86_64/mm.txt.gz
を見ると、そのへん図示してあるかと思います。
--
Masakazu Takahashi (emasaka)