79 	struct notifier_block *nb, *next_nb;  in notifier_call_chain()  local
81 	nb = rcu_dereference_raw(*nl);  in notifier_call_chain()
83 	while (nb && nr_to_call) {  in notifier_call_chain()
84 		next_nb = rcu_dereference_raw(nb->next);  in notifier_call_chain()
87 		if (unlikely(!func_ptr_is_kernel_text(nb->notifier_call))) {  in notifier_call_chain()
89 			nb = next_nb;  in notifier_call_chain()
93 		ret = nb->notifier_call(nb, val, v);  in notifier_call_chain()
100 		nb = next_nb;  in notifier_call_chain()
553 int register_die_notifier(struct notifier_block *nb)  in register_die_notifier()  argument
556 	return atomic_notifier_chain_register(&die_chain, nb);  in register_die_notifier()
560 int unregister_die_notifier(struct notifier_block *nb)  in unregister_die_notifier()  argument
562 	return atomic_notifier_chain_unregister(&die_chain, nb);  in unregister_die_notifier()