diff options
Diffstat (limited to 'Documentation/x86')
| -rw-r--r-- | Documentation/x86/x86_64/boot-options.txt | 14 | ||||
| -rw-r--r-- | Documentation/x86/x86_64/mm.txt | 4 |
2 files changed, 3 insertions, 15 deletions
diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt index e015a83c3996..e9e8ddbbf376 100644 --- a/Documentation/x86/x86_64/boot-options.txt +++ b/Documentation/x86/x86_64/boot-options.txt @@ -91,20 +91,6 @@ APICs apicmaintimer. Useful when your PIT timer is totally broken. -Early Console - - syntax: earlyprintk=vga - earlyprintk=serial[,ttySn[,baudrate]] - - The early console is useful when the kernel crashes before the - normal console is initialized. It is not enabled by - default because it has some cosmetic problems. - Append ,keep to not disable it when the real console takes over. - Only vga or serial at a time, not both. - Currently only ttyS0 and ttyS1 are supported. - Interaction with the standard serial driver is not very good. - The VGA output is eventually overwritten by the real console. - Timing notsc 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 |