1 2config CPU_IDLE 3 bool "CPU idle PM support" 4 help 5 CPU idle is a generic framework for supporting software-controlled 6 idle processor power management. It includes modular cross-platform 7 governors that can be swapped during runtime. 8 9 If you're using a mobile platform that supports CPU idle PM (e.g. 10 an ACPI-capable notebook), you should say Y here. 11 12config CPU_IDLE_GOV_LADDER 13 bool 14 depends on CPU_IDLE 15 default y 16 17config CPU_IDLE_GOV_MENU 18 bool 19 depends on CPU_IDLE && NO_HZ 20 default y 21