net: reduce structures when XFRM=n

ifdef out
* struct sk_buff::sp		(pointer)
* struct dst_entry::xfrm	(pointer)
* struct sock::sk_policy	(2 pointers)

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/net/sock.h b/include/net/sock.h
index ada50c04d09f..d6b750a25078 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -229,7 +229,9 @@ struct sock {
         } sk_backlog;
         wait_queue_head_t       *sk_sleep;
         struct dst_entry        *sk_dst_cache;
+#ifdef CONFIG_XFRM
         struct xfrm_policy      *sk_policy[2];
+#endif
         rwlock_t                sk_dst_lock;
         atomic_t                sk_rmem_alloc;
         atomic_t                sk_wmem_alloc;