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-rw-r--r--Documentation/x86_64/boot-options.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt
index e566affeed7..72ab9b99b22 100644
--- a/Documentation/x86_64/boot-options.txt
+++ b/Documentation/x86_64/boot-options.txt
@@ -125,7 +125,7 @@ SMP
cpumask=MASK only use cpus with bits set in mask
additional_cpus=NUM Allow NUM more CPUs for hotplug
- (defaults are specified by the BIOS or half the available CPUs)
+ (defaults are specified by the BIOS, see Documentation/x86_64/cpu-hotplug-spec)
NUMA