diff --git a/include/common.h b/include/common.h
index b8a654a..df64bf0 100644
--- a/include/common.h
+++ b/include/common.h
@@ -177,6 +177,9 @@
 	({ typeof (X) __x = (X), __y = (Y);	\
 		(__x > __y) ? __x : __y; })
 
+#define MIN(x, y)  min(x, y)
+#define MAX(x, y)  max(x, y)
+
 
 /**
  * container_of - cast a member of a structure out to the containing structure