diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 2b33847bf931100d8c8de96e662f5e96d73a7e20..d1d72880572938ad99a4779f4216ccb4f14a8f92 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -630,6 +630,7 @@ static int udpv6_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;