diff --git a/[refs] b/[refs]
index 2ea3536e5eba..e89f20437766 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b45e9189c058bfa495073951ff461ee0eea968be
+refs/heads/master: 7cd636fe9ce5de0051c11283911baca4291868c8
diff --git a/trunk/include/linux/ipv6.h b/trunk/include/linux/ipv6.h
index 4aaefc349a4b..134c8e5cf07c 100644
--- a/trunk/include/linux/ipv6.h
+++ b/trunk/include/linux/ipv6.h
@@ -53,7 +53,7 @@ struct ipv6_opt_hdr {
 	/* 
 	 * TLV encoded option data follows.
 	 */
-};
+} __attribute__ ((packed));	/* required for some archs */
 
 #define ipv6_destopt_hdr ipv6_opt_hdr
 #define ipv6_hopopt_hdr  ipv6_opt_hdr