2398 	struct sk_buff *skb, *nskb, *next;  in tcp_mtu_probe()  local
2461 	nskb = tcp_stream_alloc_skb(sk, GFP_ATOMIC, false);  in tcp_mtu_probe()
2462 	if (!nskb)  in tcp_mtu_probe()
2466 	if (tcp_clone_payload(sk, nskb, probe_size)) {  in tcp_mtu_probe()
2467 		tcp_skb_tsorted_anchor_cleanup(nskb);  in tcp_mtu_probe()
2468 		consume_skb(nskb);  in tcp_mtu_probe()
2471 	sk_wmem_queued_add(sk, nskb->truesize);  in tcp_mtu_probe()
2472 	sk_mem_charge(sk, nskb->truesize);  in tcp_mtu_probe()
2475 	skb_copy_decrypted(nskb, skb);  in tcp_mtu_probe()
2476 	mptcp_skb_ext_copy(nskb, skb);  in tcp_mtu_probe()
2478 	TCP_SKB_CB(nskb)->seq = TCP_SKB_CB(skb)->seq;  in tcp_mtu_probe()
2479 	TCP_SKB_CB(nskb)->end_seq = TCP_SKB_CB(skb)->seq + probe_size;  in tcp_mtu_probe()
2480 	TCP_SKB_CB(nskb)->tcp_flags = TCPHDR_ACK;  in tcp_mtu_probe()
2482 	tcp_insert_write_queue_before(nskb, skb, sk);  in tcp_mtu_probe()
2483 	tcp_highest_sack_replace(sk, skb, nskb);  in tcp_mtu_probe()
2492 			TCP_SKB_CB(nskb)->tcp_flags |= TCP_SKB_CB(skb)->tcp_flags;  in tcp_mtu_probe()
2496 			TCP_SKB_CB(nskb)->eor = TCP_SKB_CB(skb)->eor;  in tcp_mtu_probe()
2497 			tcp_skb_collapse_tstamp(nskb, skb);  in tcp_mtu_probe()
2501 			TCP_SKB_CB(nskb)->tcp_flags |= TCP_SKB_CB(skb)->tcp_flags &  in tcp_mtu_probe()
2513 	tcp_init_tso_segs(nskb, nskb->len);  in tcp_mtu_probe()
2518 	if (!tcp_transmit_skb(sk, nskb, 1, GFP_ATOMIC)) {  in tcp_mtu_probe()
2522 		tcp_event_new_data_sent(sk, nskb);  in tcp_mtu_probe()
2524 		icsk->icsk_mtup.probe_size = tcp_mss_to_mtu(sk, nskb->len);  in tcp_mtu_probe()
2525 		tp->mtu_probe.probe_seq_start = TCP_SKB_CB(nskb)->seq;  in tcp_mtu_probe()
2526 		tp->mtu_probe.probe_seq_end = TCP_SKB_CB(nskb)->end_seq;  in tcp_mtu_probe()
3348 		struct sk_buff *nskb;  in __tcp_retransmit_skb()  local
3351 			nskb = __pskb_copy(skb, MAX_TCP_HEADER, GFP_ATOMIC);  in __tcp_retransmit_skb()
3352 			if (nskb) {  in __tcp_retransmit_skb()
3353 				nskb->dev = NULL;  in __tcp_retransmit_skb()
3354 				err = tcp_transmit_skb(sk, nskb, 0, GFP_ATOMIC);  in __tcp_retransmit_skb()
3612 			struct sk_buff *nskb;  in tcp_send_synack()  local
3615 				nskb = skb_copy(skb, GFP_ATOMIC);  in tcp_send_synack()
3617 			if (!nskb)  in tcp_send_synack()
3619 			INIT_LIST_HEAD(&nskb->tcp_tsorted_anchor);  in tcp_send_synack()
3620 			tcp_highest_sack_replace(sk, skb, nskb);  in tcp_send_synack()
3622 			__skb_header_release(nskb);  in tcp_send_synack()
3623 			tcp_rbtree_insert(&sk->tcp_rtx_queue, nskb);  in tcp_send_synack()
3624 			sk_wmem_queued_add(sk, nskb->truesize);  in tcp_send_synack()
3625 			sk_mem_charge(sk, nskb->truesize);  in tcp_send_synack()
3626 			skb = nskb;  in tcp_send_synack()