diff --git a/fs/nfsd/trace.c b/fs/nfsd/trace.c
index 90967466a1e5..f008b95ceec2 100644
--- a/fs/nfsd/trace.c
+++ b/fs/nfsd/trace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #define CREATE_TRACE_POINTS
 #include "trace.h"