Extern or forward variable declaration at include/acpi/processor.h, line 49 References: arch/x86/kernel/acpi/cstate.c, line 73 arch/x86/kernel/acpi/cstate.c, line 118 arch/x86/kernel/acpi/cstate.c, line 155 drivers/acpi/processor_idle.c, line 72 drivers/acpi/processor_idle.c, line 138 drivers/acpi/processor_idle.c, line 178 drivers/acpi/processor_idle.c, line 194 drivers/acpi/processor_idle.c, line 197 drivers/acpi/processor_idle.c, line 350 drivers/acpi/processor_idle.c, line 468 drivers/acpi/processor_idle.c, line 556 drivers/acpi/processor_idle.c, line 656 drivers/acpi/processor_idle.c, line 680 drivers/acpi/processor_idle.c, line 716 drivers/acpi/processor_idle.c, line 762 drivers/acpi/processor_idle.c, line 802 drivers/acpi/processor_idle.c, line 824 drivers/acpi/processor_idle.c, line 851 drivers/cpufreq/longhaul.c, line 71 drivers/xen/xen-acpi-processor.c, line 68 include/acpi/processor.h, line 49 include/acpi/processor.h, line 61 include/acpi/processor.h, line 88 include/acpi/processor.h, line 271 include/acpi/processor.h, line 273 include/acpi/processor.h, line 283 include/acpi/processor.h, line 289