diff --git a/[refs] b/[refs]
index f27ecdd260d1..86695f8de607 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 135c294fa3660b979d71bbce1611f9ca721077b5
+refs/heads/master: 1a91023a9f172f820e292f2c5675fb9f8e2636f0
diff --git a/trunk/arch/x86_64/kernel/e820.c b/trunk/arch/x86_64/kernel/e820.c
index b8eee4c7888b..e56c2adf57a4 100644
--- a/trunk/arch/x86_64/kernel/e820.c
+++ b/trunk/arch/x86_64/kernel/e820.c
@@ -17,6 +17,7 @@
 #include <linux/kexec.h>
 #include <linux/module.h>
 
+#include <asm/pgtable.h>
 #include <asm/page.h>
 #include <asm/e820.h>
 #include <asm/proto.h>