938 	int imp = 0;  in link_prepare_wakeup()  local
942 	for (; imp <= TIPC_SYSTEM_IMPORTANCE; imp++)  in link_prepare_wakeup()
943 		avail[imp] = l->backlog[imp].limit - l->backlog[imp].len;  in link_prepare_wakeup()
946 		imp = TIPC_SKB_CB(skb)->chain_imp;  in link_prepare_wakeup()
947 		if (avail[imp] <= 0)  in link_prepare_wakeup()
949 		avail[imp]--;  in link_prepare_wakeup()
978 	u32 imp;  in tipc_link_reset()  local
1000 	for (imp = 0; imp <= TIPC_SYSTEM_IMPORTANCE; imp++) {  in tipc_link_reset()
1001 		l->backlog[imp].len = 0;  in tipc_link_reset()
1002 		l->backlog[imp].target_bskb = NULL;  in tipc_link_reset()
1052 	int imp;  in tipc_link_xmit()  local
1066 	imp = msg_importance(hdr);  in tipc_link_xmit()
1068 	if (unlikely(l->backlog[imp].len >= l->backlog[imp].limit)) {  in tipc_link_xmit()
1069 		if (imp == TIPC_SYSTEM_IMPORTANCE) {  in tipc_link_xmit()
1103 		if (tipc_msg_try_bundle(l->backlog[imp].target_bskb, &skb,  in tipc_link_xmit()
1107 				l->backlog[imp].target_bskb = skb;  in tipc_link_xmit()
1108 				l->backlog[imp].len++;  in tipc_link_xmit()
1119 		l->backlog[imp].target_bskb = NULL;  in tipc_link_xmit()
1120 		l->backlog[imp].len += (1 + skb_queue_len(list));  in tipc_link_xmit()
1180 	u32 imp;  in tipc_link_advance_backlog()  local
1191 		imp = msg_importance(hdr);  in tipc_link_advance_backlog()
1192 		l->backlog[imp].len--;  in tipc_link_advance_backlog()
1193 		if (unlikely(skb == l->backlog[imp].target_bskb))  in tipc_link_advance_backlog()
1194 			l->backlog[imp].target_bskb = NULL;  in tipc_link_advance_backlog()