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-rw-r--r--arch/arm64/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 9e8233b3f18..86ebfe499d6 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -161,6 +161,13 @@ config NR_CPUS
default "8" if ARCH_XGENE
default "4"
+config HOTPLUG_CPU
+ bool "Support for hot-pluggable CPUs"
+ depends on SMP
+ help
+ Say Y here to experiment with turning CPUs off and on. CPUs
+ can be controlled through /sys/devices/system/cpu.
+
source kernel/Kconfig.preempt
config HZ