net: move netdev_budget and netdev_budget to net_hotdata

netdev_budget and netdev_budget are used in rx path (net_rx_action())

Move them into net_hotdata for better cache locality.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20240306160031.874438-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

include/net/hotdata.h

@@ -8,6 +8,8 @@
 struct net_hotdata {
 	struct list_head	offload_base;
 	int			gro_normal_batch;
+	int			netdev_budget;
+	int			netdev_budget_usecs;
 };
 
 extern struct net_hotdata net_hotdata;