inet: Decrease overhead of on-stack inet_cork.
When we fast path datagram sends to avoid locking by putting
the inet_cork on the stack we use up lots of space that isn't
necessary.
This is because inet_cork contains a "struct flowi" which isn't
used in these code paths.
Split inet_cork to two parts, "inet_cork" and "inet_cork_full".
Only the latter of which has the "struct flowi" and is what is
stored in inet_sock.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
diff --git a/include/net/ip.h b/include/net/ip.h
index 3a59bf9..095e392 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -132,7 +132,7 @@
static inline struct sk_buff *ip_finish_skb(struct sock *sk)
{
- return __ip_make_skb(sk, &sk->sk_write_queue, &inet_sk(sk)->cork);
+ return __ip_make_skb(sk, &sk->sk_write_queue, &inet_sk(sk)->cork.base);
}
/* datagram.c */