--- zzzz-none-000/linux-2.6.39.4/net/ipv4/tcp.c 2011-08-03 19:43:28.000000000 +0000 +++ puma6-arm-6490-729/linux-2.6.39.4/net/ipv4/tcp.c 2021-11-10 13:23:11.000000000 +0000 @@ -3223,6 +3223,7 @@ int i, max_share, cnt; unsigned long jiffy = jiffies; + BUILD_BUG_ON(TCP_MIN_SND_MSS <= MAX_TCP_OPTION_SPACE); BUILD_BUG_ON(sizeof(struct tcp_skb_cb) > sizeof(skb->cb)); percpu_counter_init(&tcp_sockets_allocated, 0);