NOTIFY_OK         165 include/linux/notifier.h #define NOTIFY_STOP		(NOTIFY_OK|NOTIFY_STOP_MASK)
NOTIFY_OK         171 include/linux/notifier.h 		return NOTIFY_STOP_MASK | (NOTIFY_OK - err);
NOTIFY_OK         173 include/linux/notifier.h 	return NOTIFY_OK;
NOTIFY_OK         180 include/linux/notifier.h 	return ret > NOTIFY_OK ? NOTIFY_OK - ret : 0;