diff options
Diffstat (limited to 'Documentation/x86/x86_64')
-rw-r--r-- | Documentation/x86/x86_64/boot-options.txt | 11 | ||||
-rw-r--r-- | Documentation/x86/x86_64/mm.txt | 2 |
2 files changed, 1 insertions, 12 deletions
diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt index f6d561a1a9b2..34c13040a718 100644 --- a/Documentation/x86/x86_64/boot-options.txt +++ b/Documentation/x86/x86_64/boot-options.txt | |||
@@ -79,17 +79,6 @@ Timing | |||
79 | Report when timer interrupts are lost because some code turned off | 79 | Report when timer interrupts are lost because some code turned off |
80 | interrupts for too long. | 80 | interrupts for too long. |
81 | 81 | ||
82 | nmi_watchdog=NUMBER[,panic] | ||
83 | NUMBER can be: | ||
84 | 0 don't use an NMI watchdog | ||
85 | 1 use the IO-APIC timer for the NMI watchdog | ||
86 | 2 use the local APIC for the NMI watchdog using a performance counter. Note | ||
87 | This will use one performance counter and the local APIC's performance | ||
88 | vector. | ||
89 | When panic is specified panic when an NMI watchdog timeout occurs. | ||
90 | This is useful when you use a panic=... timeout and need the box | ||
91 | quickly up again. | ||
92 | |||
93 | nohpet | 82 | nohpet |
94 | Don't use the HPET timer. | 83 | Don't use the HPET timer. |
95 | 84 | ||
diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt index efce75097369..29b52b14d0b4 100644 --- a/Documentation/x86/x86_64/mm.txt +++ b/Documentation/x86/x86_64/mm.txt | |||
@@ -6,7 +6,7 @@ Virtual memory map with 4 level page tables: | |||
6 | 0000000000000000 - 00007fffffffffff (=47 bits) user space, different per mm | 6 | 0000000000000000 - 00007fffffffffff (=47 bits) user space, different per mm |
7 | hole caused by [48:63] sign extension | 7 | hole caused by [48:63] sign extension |
8 | ffff800000000000 - ffff80ffffffffff (=40 bits) guard hole | 8 | ffff800000000000 - ffff80ffffffffff (=40 bits) guard hole |
9 | ffff810000000000 - ffffc0ffffffffff (=46 bits) direct mapping of all phys. memory | 9 | ffff880000000000 - ffffc0ffffffffff (=57 TB) direct mapping of all phys. memory |
10 | ffffc10000000000 - ffffc1ffffffffff (=40 bits) hole | 10 | ffffc10000000000 - ffffc1ffffffffff (=40 bits) hole |
11 | ffffc20000000000 - ffffe1ffffffffff (=45 bits) vmalloc/ioremap space | 11 | ffffc20000000000 - ffffe1ffffffffff (=45 bits) vmalloc/ioremap space |
12 | ffffe20000000000 - ffffe2ffffffffff (=40 bits) virtual memory map (1TB) | 12 | ffffe20000000000 - ffffe2ffffffffff (=40 bits) virtual memory map (1TB) |