925 	tp->ucopy.task = NULL;  in tcp_prequeue_init()
926 	tp->ucopy.len = 0;  in tcp_prequeue_init()
927 	tp->ucopy.memory = 0;  in tcp_prequeue_init()
928 	skb_queue_head_init(&tp->ucopy.prequeue);  in tcp_prequeue_init()
930 	tp->ucopy.dma_chan = NULL;  in tcp_prequeue_init()
931 	tp->ucopy.wakeup = 0;  in tcp_prequeue_init()
932 	tp->ucopy.pinned_list = NULL;  in tcp_prequeue_init()
933 	tp->ucopy.dma_cookie = 0;  in tcp_prequeue_init()
949 	if (sysctl_tcp_low_latency || !tp->ucopy.task)  in tcp_prequeue()
953 	__skb_queue_tail(&tp->ucopy.prequeue, skb);  in tcp_prequeue()
954 	tp->ucopy.memory += skb->truesize;  in tcp_prequeue()
955 	if (tp->ucopy.memory > sk->sk_rcvbuf) {  in tcp_prequeue()
960 		while ((skb1 = __skb_dequeue(&tp->ucopy.prequeue)) != NULL) {  in tcp_prequeue()
966 		tp->ucopy.memory = 0;  in tcp_prequeue()
967 	} else if (skb_queue_len(&tp->ucopy.prequeue) == 1) {  in tcp_prequeue()