net: CONFIG_COMPAT redux

Ifdef out
	struct proto_ops::compat_ioctl
	struct proto_ops::compat_setsockopt
	struct proto_ops::compat_getsockopt
to make structures smaller on COMPAT=n kernels.
Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/linux/net.h

@@ -174,18 +174,22 @@ struct proto_ops {
 				      struct poll_table_struct *wait);
 	int		(*ioctl)     (struct socket *sock, unsigned int cmd,
 				      unsigned long arg);
+#ifdef CONFIG_COMPAT
 	int	 	(*compat_ioctl) (struct socket *sock, unsigned int cmd,
 				      unsigned long arg);
+#endif
 	int		(*listen)    (struct socket *sock, int len);
 	int		(*shutdown)  (struct socket *sock, int flags);
 	int		(*setsockopt)(struct socket *sock, int level,
 				      int optname, char __user *optval, unsigned int optlen);
 	int		(*getsockopt)(struct socket *sock, int level,
 				      int optname, char __user *optval, int __user *optlen);
+#ifdef CONFIG_COMPAT
 	int		(*compat_setsockopt)(struct socket *sock, int level,
 				      int optname, char __user *optval, unsigned int optlen);
 	int		(*compat_getsockopt)(struct socket *sock, int level,
 				      int optname, char __user *optval, int __user *optlen);
+#endif
 	int		(*sendmsg)   (struct kiocb *iocb, struct socket *sock,
 				      struct msghdr *m, size_t total_len);
 	int		(*recvmsg)   (struct kiocb *iocb, struct socket *sock,