confirm_kill      118 include/linux/percpu-refcount.h 				 percpu_ref_func_t *confirm_kill);
confirm_kill      339 lib/percpu-refcount.c 				 percpu_ref_func_t *confirm_kill)
confirm_kill      349 lib/percpu-refcount.c 	__percpu_ref_switch_mode(ref, confirm_kill);