+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Definitions for the 'struct ptr_ring' datastructure.
*
*
* Copyright (C) 2016 Red Hat, Inc.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
* This is a limited-size FIFO maintaining pointers in FIFO order, with
* one CPU producing entries and another consuming entries from a FIFO.
*