219 static void requeue_rx_msgs(struct kcm_mux *mux, struct sk_buff_head *head)  in requeue_rx_msgs()  argument
224 	while ((skb = skb_dequeue(head))) {  in requeue_rx_msgs()
253 				       struct sk_buff *head)  in reserve_rx_kcm()  argument
273 		psock->ready_rx_msg = head;  in reserve_rx_kcm()
582 	struct sk_buff *skb, *head;  in kcm_write_msgs()  local
605 	head = skb_peek(&sk->sk_write_queue);  in kcm_write_msgs()
606 	txm = kcm_tx_msg(head);  in kcm_write_msgs()
628 		skb = head;  in kcm_write_msgs()
629 		txm = kcm_tx_msg(head);  in kcm_write_msgs()
694 		if (skb == head) {  in kcm_write_msgs()
706 		kfree_skb(head);  in kcm_write_msgs()
710 	} while ((head = skb_peek(&sk->sk_write_queue)));  in kcm_write_msgs()
712 	if (!head) {  in kcm_write_msgs()
766 	struct sk_buff *skb = NULL, *head = NULL;  in kcm_sendpage()  local
788 		head = kcm->seq_skb;  in kcm_sendpage()
789 		skb = kcm_tx_msg(head)->last_skb;  in kcm_sendpage()
809 			if (head == skb)  in kcm_sendpage()
810 				skb_shinfo(head)->frag_list = tskb;  in kcm_sendpage()
828 		head = alloc_skb(0, sk->sk_allocation);  in kcm_sendpage()
829 		while (!head) {  in kcm_sendpage()
836 		skb = head;  in kcm_sendpage()
851 	if (head != skb) {  in kcm_sendpage()
852 		head->len += size;  in kcm_sendpage()
853 		head->data_len += size;  in kcm_sendpage()
854 		head->truesize += size;  in kcm_sendpage()
861 		__skb_queue_tail(&sk->sk_write_queue, head);  in kcm_sendpage()
881 		kcm->seq_skb = head;  in kcm_sendpage()
882 		kcm_tx_msg(head)->last_skb = skb;  in kcm_sendpage()
907 	struct sk_buff *skb = NULL, *head = NULL;  in kcm_sendmsg()  local
924 		head = kcm->seq_skb;  in kcm_sendmsg()
925 		skb = kcm_tx_msg(head)->last_skb;  in kcm_sendmsg()
940 		head = alloc_skb(0, sk->sk_allocation);  in kcm_sendmsg()
941 		while (!head) {  in kcm_sendmsg()
947 			head = alloc_skb(0, sk->sk_allocation);  in kcm_sendmsg()
950 		skb = head;  in kcm_sendmsg()
976 				if (head == skb)  in kcm_sendmsg()
977 					skb_shinfo(head)->frag_list = tskb;  in kcm_sendmsg()
1012 		if (head != skb) {  in kcm_sendmsg()
1013 			head->len += copy;  in kcm_sendmsg()
1014 			head->data_len += copy;  in kcm_sendmsg()
1029 		if (head) {  in kcm_sendmsg()
1031 			__skb_queue_tail(&sk->sk_write_queue, head);  in kcm_sendmsg()
1053 		if (head) {  in kcm_sendmsg()
1054 			kcm->seq_skb = head;  in kcm_sendmsg()
1055 			kcm_tx_msg(head)->last_skb = skb;  in kcm_sendmsg()
1073 		if (head != kcm->seq_skb)  in kcm_sendmsg()
1074 			kfree_skb(head);  in kcm_sendmsg()
1076 		kfree_skb(head);  in kcm_sendmsg()
1300 	struct list_head *head;  in init_kcm_sock()  local
1313 	head = &mux->kcm_socks;  in init_kcm_sock()
1317 		head = &tkcm->kcm_sock_list;  in init_kcm_sock()
1321 	list_add(&kcm->kcm_sock_list, head);  in init_kcm_sock()
1341 	struct list_head *head;  in kcm_attach()  local
1412 	head = &mux->psocks;  in kcm_attach()
1416 		head = &tpsock->psock_list;  in kcm_attach()
1420 	list_add(&psock->psock_list, head);  in kcm_attach()