diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index 286b1be..e271690 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -33,6 +33,7 @@
 #include <asm/hw_breakpoint.h>
 #include <asm/ptrace.h>
 #include <asm/types.h>
+#include <asm/pgtable-hwdef.h>
 
 #ifdef __KERNEL__
 #define STACK_TOP_MAX		TASK_SIZE_64