* the caller's responsibility to dispose of the removed structure.
* Use get_cpu_call_rcu_data() to obtain a pointer to the old structure
* (prior to NULLing it out, of course).
* the caller's responsibility to dispose of the removed structure.
* Use get_cpu_call_rcu_data() to obtain a pointer to the old structure
* (prior to NULLing it out, of course).