summaryrefslogtreecommitdiff
path: root/Documentation/x86/x86_64
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/x86/x86_64')
-rw-r--r--Documentation/x86/x86_64/boot-options.txt15
-rw-r--r--Documentation/x86/x86_64/fake-numa-for-cpusets2
-rw-r--r--Documentation/x86/x86_64/mm.txt2
3 files changed, 4 insertions, 15 deletions
diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt
index 72ffb5373ec7..34c13040a718 100644
--- a/Documentation/x86/x86_64/boot-options.txt
+++ b/Documentation/x86/x86_64/boot-options.txt
@@ -35,7 +35,7 @@ APICs
nolapic Don't use the local APIC (alias for i386 compatibility)
- pirq=... See Documentation/i386/IO-APIC.txt
+ pirq=... See Documentation/x86/i386/IO-APIC.txt
noapictimer Don't set up the APIC timer
@@ -79,17 +79,6 @@ Timing
Report when timer interrupts are lost because some code turned off
interrupts for too long.
- nmi_watchdog=NUMBER[,panic]
- NUMBER can be:
- 0 don't use an NMI watchdog
- 1 use the IO-APIC timer for the NMI watchdog
- 2 use the local APIC for the NMI watchdog using a performance counter. Note
- This will use one performance counter and the local APIC's performance
- vector.
- When panic is specified panic when an NMI watchdog timeout occurs.
- This is useful when you use a panic=... timeout and need the box
- quickly up again.
-
nohpet
Don't use the HPET timer.
@@ -139,7 +128,7 @@ Non Executable Mappings
SMP
additional_cpus=NUM Allow NUM more CPUs for hotplug
- (defaults are specified by the BIOS, see Documentation/x86_64/cpu-hotplug-spec)
+ (defaults are specified by the BIOS, see Documentation/x86/x86_64/cpu-hotplug-spec)
NUMA
diff --git a/Documentation/x86/x86_64/fake-numa-for-cpusets b/Documentation/x86/x86_64/fake-numa-for-cpusets
index d1a985c5b00a..33bb56655991 100644
--- a/Documentation/x86/x86_64/fake-numa-for-cpusets
+++ b/Documentation/x86/x86_64/fake-numa-for-cpusets
@@ -10,7 +10,7 @@ amount of system memory that are available to a certain class of tasks.
For more information on the features of cpusets, see Documentation/cpusets.txt.
There are a number of different configurations you can use for your needs. For
more information on the numa=fake command line option and its various ways of
-configuring fake nodes, see Documentation/x86_64/boot-options.txt.
+configuring fake nodes, see Documentation/x86/x86_64/boot-options.txt.
For the purposes of this introduction, we'll assume a very primitive NUMA
emulation setup of "numa=fake=4*512,". This will split our system memory into
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:
0000000000000000 - 00007fffffffffff (=47 bits) user space, different per mm
hole caused by [48:63] sign extension
ffff800000000000 - ffff80ffffffffff (=40 bits) guard hole
-ffff810000000000 - ffffc0ffffffffff (=46 bits) direct mapping of all phys. memory
+ffff880000000000 - ffffc0ffffffffff (=57 TB) direct mapping of all phys. memory
ffffc10000000000 - ffffc1ffffffffff (=40 bits) hole
ffffc20000000000 - ffffe1ffffffffff (=45 bits) vmalloc/ioremap space
ffffe20000000000 - ffffe2ffffffffff (=40 bits) virtual memory map (1TB)