cpus_read_trylock  960 drivers/cpufreq/cpufreq.c 	if (!cpus_read_trylock())
cpus_read_trylock  115 include/linux/cpu.h extern int  cpus_read_trylock(void);
cpus_read_trylock  300 kernel/cpu.c   EXPORT_SYMBOL_GPL(cpus_read_trylock);