diff --git a/include/linux/compiler-gcc5.h b/include/linux/compiler-gcc5.h
index c8c565952..ff82ff424 100644
--- a/include/linux/compiler-gcc5.h
+++ b/include/linux/compiler-gcc5.h
@@ -63,3 +63,9 @@
 #define __HAVE_BUILTIN_BSWAP64__
 #define __HAVE_BUILTIN_BSWAP16__
 #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
+
+/*
+ * A trick to suppress uninitialized variable warning without generating any
+ * code
+ */
+#define uninitialized_var(x) x = x
diff --git a/include/linux/compiler-gcc6.h b/include/linux/compiler-gcc6.h
index c8c565952..ff82ff424 100644
--- a/include/linux/compiler-gcc6.h
+++ b/include/linux/compiler-gcc6.h
@@ -63,3 +63,9 @@
 #define __HAVE_BUILTIN_BSWAP64__
 #define __HAVE_BUILTIN_BSWAP16__
 #endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
+
+/*
+ * A trick to suppress uninitialized variable warning without generating any
+ * code
+ */
+#define uninitialized_var(x) x = x