diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index f3450f092d71..067a607917f9 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1949,6 +1949,7 @@ static int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) } } + prefetch(&sk->sk_rmem_alloc); if (rcu_access_pointer(sk->sk_filter) && udp_lib_checksum_complete(skb)) goto csum_error;