/*
* Create a separate call_rcu thread for each CPU. This does not
* replace a pre-existing call_rcu thread -- use the set_cpu_call_rcu_data()
- * function if you want that behavior.
+ * function if you want that behavior. Should be paired with
+ * free_all_cpu_call_rcu_data() to teardown these call_rcu worker
+ * threads.
*/
int create_all_cpu_call_rcu_data(unsigned long flags)