netfilter: nfnetlink_log: Use GFP_NOWARN for skb allocation

Since the code explicilty falls back to a smaller allocation when the
large one fails, we shouldn't complain when that happens.
Signed-off-by: Calvin Owens <calvinowens@fb.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

net/netfilter/nfnetlink_log.c

@@ -330,7 +330,7 @@ nfulnl_alloc_skb(struct net *net, u32 peer_portid, unsigned int inst_size,
 	 * message.  WARNING: has to be <= 128k due to slab restrictions */
 
 	n = max(inst_size, pkt_size);
-	skb = alloc_skb(n, GFP_ATOMIC);
+	skb = alloc_skb(n, GFP_ATOMIC | __GFP_NOWARN);
 	if (!skb) {
 		if (n > pkt_size) {
 			/* try to allocate only as much as we need for current