diff --git a/include/linux/int_log.h b/include/linux/int_log.h
index 332306202464..0a6f58c38b61 100644
--- a/include/linux/int_log.h
+++ b/include/linux/int_log.h
@@ -1,17 +1,8 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  * Provides fixed-point logarithm operations.
  *
  * Copyright (C) 2006 Christoph Pfister (christophpfister@gmail.com)
- *
- * This library is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
  */
 
 #ifndef __LINUX_INT_LOG_H
diff --git a/lib/math/int_log.c b/lib/math/int_log.c
index ea98fc0b3fe2..8f9da3a2ad39 100644
--- a/lib/math/int_log.c
+++ b/lib/math/int_log.c
@@ -1,17 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * Provides fixed-point logarithm operations.
  *
  * Copyright (C) 2006 Christoph Pfister (christophpfister@gmail.com)
- *
- * This library is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
  */
 
 #include <linux/bitops.h>