check_kthr_stop 45 include/linux/freezer.h extern bool __refrigerator(bool check_kthr_stop); check_kthr_stop 265 include/linux/freezer.h static inline bool __refrigerator(bool check_kthr_stop) { return false; } check_kthr_stop 56 kernel/freezer.c bool __refrigerator(bool check_kthr_stop) check_kthr_stop 71 kernel/freezer.c (check_kthr_stop && kthread_should_stop()))