rdsv3_wait_queue_t
kmem_free(sk->sk_sleep, sizeof (rdsv3_wait_queue_t));
sk->sk_sleep = kmem_zalloc(sizeof (rdsv3_wait_queue_t), KM_SLEEP);
rdsv3_wait_queue_t w_empty_wait;
rdsv3_wait_queue_t m_flush_wait;
rdsv3_wait_queue_t m_waitq;
rdsv3_wait_queue_t *sk_sleep; /* Also protected by rs_recv_lock */