License cleanup: add SPDX GPL-2.0 license identifier to files with no license

[linux-block.git] / include / trace / events / page_ref.h

diff --git a/include/trace/events/page_ref.h b/include/trace/events/page_ref.h
index 81001f8b0db4aa902d1ce4857977f1662fb020c1..5d2ea93956cec6955feba9317915368e61d6800e 100644 (file)
--- a/include/trace/events/page_ref.h
+++ b/include/trace/events/page_ref.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM page_ref