cpufreq_unregister_notifier 1963 drivers/cpufreq/cpufreq.c int cpufreq_unregister_notifier(struct notifier_block *nb, unsigned int list)
cpufreq_unregister_notifier  493 include/linux/cpufreq.h static inline int cpufreq_unregister_notifier(struct notifier_block *nb,