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x86_64: fix mm.txt documentation 

Commit 85eb69a16a introduced 512 MiB
sized kernel and 1.5 GiB sized module space but omitted to change
documentation properly. Fix that.

[Wasn't the hole intentional protection hole?]

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: hpa@zytor.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Jiri Slaby 2008-05-12 15:43:37 +02:00 committed by Thomas Gleixner
parent 311f834948
commit cca7c0850f
1 changed files with 2 additions and 3 deletions
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Documentation/x86_64/mm.txt
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@ -11,9 +11,8 @@ ffffc10000000000 - ffffc1ffffffffff (=40 bits) hole
ffffc20000000000 - ffffe1ffffffffff (=45 bits) vmalloc/ioremap space
ffffe20000000000 - ffffe2ffffffffff (=40 bits) virtual memory map (1TB)
... unused hole ...
ffffffff80000000 - ffffffff82800000 (=40 MB) kernel text mapping, from phys 0
... unused hole ...
ffffffff88000000 - fffffffffff00000 (=1919 MB) module mapping space
ffffffff80000000 - ffffffffa0000000 (=512 MB) kernel text mapping, from phys 0
ffffffffa0000000 - fffffffffff00000 (=1536 MB) module mapping space
The direct mapping covers all memory in the system up to the highest
memory address (this means in some cases it can also include PCI memory