#define rcu_dereference _rcu_dereference
/*
- * type *rcu_cmpxchg_pointer(type **ptr, type *new, type *old)
+ * type *rcu_cmpxchg_pointer(type **ptr, type *old, type *new)
* type *rcu_xchg_pointer(type **ptr, type *new)
* void rcu_set_pointer(type **ptr, type *new)
*