diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index 860ed1a..8a55098 100644
--- a/include/linux/mmdebug.h
+++ b/include/linux/mmdebug.h
@@ -6,13 +6,13 @@
 #ifdef CONFIG_DEBUG_VM
 #define VM_BUG_ON(cond) BUG_ON(cond)
 #else
-#define VM_BUG_ON(cond) do { } while(0)
+#define VM_BUG_ON(cond) do { } while (0)
 #endif
 
 #ifdef CONFIG_DEBUG_VIRTUAL
 #define VIRTUAL_BUG_ON(cond) BUG_ON(cond)
 #else
-#define VIRTUAL_BUG_ON(cond) do { } while(0)
+#define VIRTUAL_BUG_ON(cond) do { } while (0)
 #endif
 
 #endif