opt_recv->dccpor_ack_vector_idx = value - options;
 
                        dccp_pr_debug("%sACK vector 0, len=%d, ack_ackno=%llu\n",
-                                     debug_prefix, len, DCCP_SKB_CB(skb)->dccpd_ack_seq);
+                                     debug_prefix, len,
+                                     (unsigned long long)
+                                     DCCP_SKB_CB(skb)->dccpd_ack_seq);
                        dccp_ackvector_print(DCCP_SKB_CB(skb)->dccpd_ack_seq,
                                             value, len);
                        dccp_ackpkts_check_rcv_ackvector(dp->dccps_hc_rx_ackpkts, sk,
 
                        dccp_pr_debug("%sTIMESTAMP=%u, ackno=%llu\n",
                                      debug_prefix, opt_recv->dccpor_timestamp,
+                                     (unsigned long long)
                                      DCCP_SKB_CB(skb)->dccpd_ack_seq);
                        break;
                case DCCPO_TIMESTAMP_ECHO:
 
                        dccp_pr_debug("%sTIMESTAMP_ECHO=%u, len=%d, ackno=%llu, diff=%u\n",
                                      debug_prefix, opt_recv->dccpor_timestamp_echo,
-                                     len + 2, DCCP_SKB_CB(skb)->dccpd_ack_seq,
+                                     len + 2,
+                                     (unsigned long long)
+                                     DCCP_SKB_CB(skb)->dccpd_ack_seq,
                                      tcp_time_stamp - opt_recv->dccpor_timestamp_echo);
 
                        opt_recv->dccpor_elapsed_time = dccp_decode_value_var(value + 4, len - 4);
 
        dccp_pr_debug("%sELAPSED_TIME=%u, len=%d, seqno=%llu\n",
                      debug_prefix, elapsed_time,
-                     len, DCCP_SKB_CB(skb)->dccpd_seq);
+                     len,
+                     (unsigned long long) DCCP_SKB_CB(skb)->dccpd_seq);
 }
 
 EXPORT_SYMBOL(dccp_insert_option_elapsed_time);
 
        dccp_pr_debug("%sACK Vector 0, len=%d, ack_seqno=%llu, ack_ackno=%llu\n",
                      debug_prefix, ap->dccpap_ack_vector_len,
-                     ap->dccpap_ack_seqno, ap->dccpap_ack_ackno);
+                     (unsigned long long) ap->dccpap_ack_seqno,
+                     (unsigned long long) ap->dccpap_ack_ackno);
 }
 
 static inline void dccp_insert_option_timestamp(struct sock *sk, struct sk_buff *skb)
 
        dccp_pr_debug("%sTIMESTAMP_ECHO=%u, len=%d, seqno=%llu\n",
                      debug_prefix, dp->dccps_timestamp_echo,
-                     len, DCCP_SKB_CB(skb)->dccpd_seq);
+                     len,
+                     (unsigned long long) DCCP_SKB_CB(skb)->dccpd_seq);
 
        dp->dccps_timestamp_echo = 0;
        dp->dccps_timestamp_time = 0;
                         */
                        if (state == DCCP_ACKPKTS_STATE_NOT_RECEIVED &&
                            len == 0 && delta == 0) { /* Found our reserved seat! */
-                               dccp_pr_debug("Found %llu reserved seat!\n", ackno);
+                               dccp_pr_debug("Found %llu reserved seat!\n",
+                                             (unsigned long long) ackno);
                                ap->dccpap_buf[index] = state;
                                goto out;
                        }
 
 out_duplicate:
        /* Duplicate packet */
-       dccp_pr_debug("Received a dup or already considered lost packet: %llu\n", ackno);
+       dccp_pr_debug("Received a dup or already considered lost packet: %llu\n",
+                     (unsigned long long) ackno);
        return -EILSEQ;
 }
 
        if (!dccp_debug)
                return;
 
-       printk("ACK vector len=%d, ackno=%llu |", len, ackno);
+       printk("ACK vector len=%d, ackno=%llu |", len,
+              (unsigned long long) ackno);
 
        while (len--) {
                const u8 state = (*vector & DCCP_ACKPKTS_STATE_MASK) >> 6;
 #endif
                dccp_pr_debug("%sACK packet 0, len=%d, ack_seqno=%llu, ack_ackno=%llu, ACKED!\n",
                              debug_prefix, 1,
-                             ap->dccpap_ack_seqno, ap->dccpap_ack_ackno);
+                             (unsigned long long) ap->dccpap_ack_seqno,
+                             (unsigned long long) ap->dccpap_ack_ackno);
                dccp_ackpkts_trow_away_ack_record(ap);
                ap->dccpap_ack_seqno = DCCP_MAX_SEQNO + 1;
        }
 #endif
                                dccp_pr_debug("%sACK vector 0, len=%d, ack_seqno=%llu, ack_ackno=%llu, ACKED!\n",
                                              debug_prefix, len,
-                                             ap->dccpap_ack_seqno, ap->dccpap_ack_ackno);
+                                             (unsigned long long)
+                                             ap->dccpap_ack_seqno,
+                                             (unsigned long long)
+                                             ap->dccpap_ack_ackno);
                                dccp_ackpkts_trow_away_ack_record(ap);
                        }
                        /*