diff --git a/drivers/xen/pvblock.c b/drivers/xen/pvblock.c
index 6455dfd..1c5d039 100644
--- a/drivers/xen/pvblock.c
+++ b/drivers/xen/pvblock.c
@@ -11,6 +11,7 @@
 #include <part.h>
 
 #include <asm/armv8/mmu.h>
+#include <asm/global_data.h>
 #include <asm/io.h>
 #include <asm/xen/system.h>