diff --git a/scripts/include/linux/kernel.h b/scripts/include/linux/kernel.h
index 5d94e98..dc2e64e 100644
--- a/scripts/include/linux/kernel.h
+++ b/scripts/include/linux/kernel.h
@@ -6,6 +6,8 @@
 #include <stdlib.h>
 #include <assert.h>
 
+#define __ALIGN_MASK(x, mask)	(((x) + (mask)) & ~(mask))
+#define ALIGN(x, a)		__ALIGN_MASK(x, (typeof(x))(a) - 1)
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 
 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))