diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index f3450f092d71c72c7adf5b208e588f98af8e5a76..067a607917f95683b646e86d6f045ea67e026c3b 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;