diff --git a/[refs] b/[refs]
index 6c69f40266f3..494afb869345 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9d1007740041613bae8492be092932a3f0eb1ebf
+refs/heads/master: d1641565f6926c2e9f5859d81bc6f72fc0e1ad76
diff --git a/trunk/include/net/addrconf.h b/trunk/include/net/addrconf.h
index 9dc5efc3b0d6..6c58d507123f 100644
--- a/trunk/include/net/addrconf.h
+++ b/trunk/include/net/addrconf.h
@@ -288,16 +288,26 @@ static inline bool ipv6_addr_is_multicast(const struct in6_addr *addr)
 
 static inline bool ipv6_addr_is_ll_all_nodes(const struct in6_addr *addr)
 {
+#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
+	__u64 *p = (__u64 *)addr;
+	return ((p[0] ^ cpu_to_be64(0xff02000000000000UL)) | (p[1] ^ cpu_to_be64(1))) == 0UL;
+#else
 	return ((addr->s6_addr32[0] ^ htonl(0xff020000)) |
 		addr->s6_addr32[1] | addr->s6_addr32[2] |
 		(addr->s6_addr32[3] ^ htonl(0x00000001))) == 0;
+#endif
 }
 
 static inline bool ipv6_addr_is_ll_all_routers(const struct in6_addr *addr)
 {
+#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
+	__u64 *p = (__u64 *)addr;
+	return ((p[0] ^ cpu_to_be64(0xff02000000000000UL)) | (p[1] ^ cpu_to_be64(2))) == 0UL;
+#else
 	return ((addr->s6_addr32[0] ^ htonl(0xff020000)) |
 		addr->s6_addr32[1] | addr->s6_addr32[2] |
 		(addr->s6_addr32[3] ^ htonl(0x00000002))) == 0;
+#endif
 }
 
 static inline bool ipv6_addr_is_isatap(const struct in6_addr *addr)