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x86-64, docs, mm: Add vsyscall range to virtual address space layout

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Add the end of the virtual address space to its layout documentation.

Signed-off-by: Borislav Petkov <bp@alien8.de>
Link: http://lkml.kernel.org/r/1362428180-8865-4-git-send-email-bp@alien8.de
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Borislav Petkov 2013-03-04 21:16:18 +01:00 committed by H. Peter Anvin
parent 8e3c2a8cf6
commit aca91bfc67
1 changed files with 3 additions and 1 deletions
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Documentation/x86/x86_64/mm.txt
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@ -13,7 +13,9 @@ ffffe90000000000 - ffffe9ffffffffff (=40 bits) hole
ffffea0000000000 - ffffeaffffffffff (=40 bits) virtual memory map (1TB) ffffea0000000000 - ffffeaffffffffff (=40 bits) virtual memory map (1TB)
... unused hole ... ... unused hole ...
ffffffff80000000 - ffffffffa0000000 (=512 MB) kernel text mapping, from phys 0 ffffffff80000000 - ffffffffa0000000 (=512 MB) kernel text mapping, from phys 0
ffffffffa0000000 - fffffffffff00000 (=1536 MB) module mapping space ffffffffa0000000 - ffffffffff5fffff (=1525 MB) module mapping space
ffffffffff600000 - ffffffffffdfffff (=8 MB) vsyscalls
ffffffffffe00000 - ffffffffffffffff (=2 MB) unused hole
The direct mapping covers all memory in the system up to the highest 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 memory address (this means in some cases it can also include PCI memory