diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h
index 1698b84..ecd621f 100644
--- a/include/linux/compiler-gcc3.h
+++ b/include/linux/compiler-gcc3.h
@@ -13,4 +13,10 @@
 #define __must_check		__attribute__((warn_unused_result))
 #endif
 
+/*
+ * A trick to suppress uninitialized variable warning without generating any
+ * code
+ */
+#define uninitialized_var(x) x = x
+
 #define __always_inline		inline __attribute__((always_inline))