net: Deinline __nlmsg_put and genlmsg_put. -7k code on i386 defconfig.

   text	   data	    bss	    dec	    hex	filename
8455963	 532732	1810804	10799499 a4c98b	vmlinux.o.before
8448899	 532732	1810804	10792435 a4adf3	vmlinux.o

This change also removes commented-out copy of __nlmsg_put
which was last touched in 2005 with "Enable once all users
have been converted" comment on top.

Changes in v2: rediffed against net-next.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 629b061..4d751e3 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1645,6 +1645,24 @@
 	kfree(cb);
 }
 
+struct nlmsghdr *
+__nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags)
+{
+	struct nlmsghdr *nlh;
+	int size = NLMSG_LENGTH(len);
+
+	nlh = (struct nlmsghdr*)skb_put(skb, NLMSG_ALIGN(size));
+	nlh->nlmsg_type = type;
+	nlh->nlmsg_len = size;
+	nlh->nlmsg_flags = flags;
+	nlh->nlmsg_pid = pid;
+	nlh->nlmsg_seq = seq;
+	if (!__builtin_constant_p(size) || NLMSG_ALIGN(size) - size != 0)
+		memset(NLMSG_DATA(nlh) + len, 0, NLMSG_ALIGN(size) - size);
+	return nlh;
+}
+EXPORT_SYMBOL(__nlmsg_put);
+
 /*
  * It looks a bit ugly.
  * It would be better to create kernel thread.