ipv4: Remove flowi from struct rtable.
The only necessary parts are the src/dst addresses, the
interface indexes, the TOS, and the mark.
The rest is unnecessary bloat, which amounts to nearly
50 bytes on 64-bit.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 994a785..1771ce6 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -563,7 +563,7 @@
rcu_read_lock();
if (rt_is_input_route(rt) &&
net->ipv4.sysctl_icmp_errors_use_inbound_ifaddr)
- dev = dev_get_by_index_rcu(net, rt->fl.iif);
+ dev = dev_get_by_index_rcu(net, rt->rt_iif);
if (dev)
saddr = inet_select_addr(dev, 0, RT_SCOPE_LINK);