pm_referenced 871 arch/x86/kernel/apic/apic.c int pm_referenced = 0; pm_referenced 961 arch/x86/kernel/apic/apic.c pm_referenced = !calibrate_by_pmtimer(lapic_cal_pm2 - lapic_cal_pm1, pm_referenced 1000 arch/x86/kernel/apic/apic.c if (!pm_referenced && global_clock_event) {