Defined in 3 files as a config:

• arch/arm/Kconfig, line 1587 (as a config)
• arch/arm64/Kconfig, line 1083 (as a config)
• arch/x86/Kconfig, line 845 (as a config)

Referenced in 3 files:

• init/Kconfig, line 516
• kernel/sched/core.c, line 289
• kernel/sched/sched.h, line 1034