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| author | Borislav Petkov <bp@alien8.de> | 2013-03-04 21:16:18 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-04-03 01:03:31 +0200 |
| commit | aca91bfc67fe356544eb1cfc483c09b27ce49fa9 (patch) | |
| tree | 82a24117365b3cdc554260439bc353d92a29f49c /Documentation/x86/x86_64 | |
| parent | x86: Drop KERNEL_IMAGE_START (diff) | |
| download | linux-aca91bfc67fe356544eb1cfc483c09b27ce49fa9.tar.xz linux-aca91bfc67fe356544eb1cfc483c09b27ce49fa9.zip | |
x86-64, docs, mm: Add vsyscall range to virtual address space layout
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>
Diffstat (limited to 'Documentation/x86/x86_64')
| -rw-r--r-- | Documentation/x86/x86_64/mm.txt | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt index d6498e3cd713..881582f75c9c 100644 --- a/Documentation/x86/x86_64/mm.txt +++ b/Documentation/x86/x86_64/mm.txt @@ -13,7 +13,9 @@ ffffe90000000000 - ffffe9ffffffffff (=40 bits) hole ffffea0000000000 - ffffeaffffffffff (=40 bits) virtual memory map (1TB) ... unused hole ... 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 memory address (this means in some cases it can also include PCI memory |