int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp);
struct call_rcu_data *get_default_call_rcu_data(void);
struct call_rcu_data *get_call_rcu_data(void);
int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp);
struct call_rcu_data *get_default_call_rcu_data(void);
struct call_rcu_data *get_call_rcu_data(void);