From: Andrew Morton <akpm@linux-foundation.org>

alpha:

net/ipv4/tcp.c: In function 'tcp_calc_md5_hash':
net/ipv4/tcp.c:2479: error: implicit declaration of function 'sg_init_table'    net/ipv4/tcp.c:2482: error: implicit declaration of function 'sg_set_buf'
net/ipv4/tcp.c:2507: error: implicit declaration of function 'sg_mark_end'      

Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 net/ipv4/tcp.c |    1 +
 1 file changed, 1 insertion(+)

diff -puN net/ipv4/tcp.c~net-ipv4-tcpc-needs-linux-scatterlisth net/ipv4/tcp.c
--- a/net/ipv4/tcp.c~net-ipv4-tcpc-needs-linux-scatterlisth
+++ a/net/ipv4/tcp.c
@@ -255,6 +255,7 @@
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/skbuff.h>
+#include <linux/scatterlist.h>
 #include <linux/splice.h>
 #include <linux/net.h>
 #include <linux/socket.h>
_