diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 5ba62d8..63cca81 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -145,7 +145,8 @@
 			__must_check|
 			__init_refok|
 			__kprobes|
-			__ref
+			__ref|
+			__rcu
 		}x;
 
 # Notes to $Attribute: