kfree_rcu_cpu_work
struct kfree_rcu_cpu_work krw_arr[KFREE_N_BATCHES];
struct kfree_rcu_cpu_work *krwp;
struct kfree_rcu_cpu_work, rcu_work);
need_wait_for_krwp_work(struct kfree_rcu_cpu_work *krwp)
struct kfree_rcu_cpu_work *krwp = &(krcp->krw_arr[i]);
struct kfree_rcu_cpu_work *krwp;