locking/locktorture: Convert to SPDX license identifier

// SPDX-License-Identifier: GPL-2.0+

/*

 * Module-based torture test facility for locking

 *

 * 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 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, you can access it online at

 * http://www.gnu.org/licenses/gpl-2.0.html.

 *

 * Copyright (C) IBM Corporation, 2014

 *

 * Authors: Paul E. McKenney <paulmck@us.ibm.com>

 * Authors: Paul E. McKenney <paulmck@linux.ibm.com>

 *          Davidlohr Bueso <dave@stgolabs.net>

 *	Based on kernel/rcu/torture.c.

 */

#include <linux/torture.h>

MODULE_LICENSE("GPL");

MODULE_AUTHOR("Paul E. McKenney <paulmck@us.ibm.com>");

MODULE_AUTHOR("Paul E. McKenney <paulmck@linux.ibm.com>");

torture_param(int, nwriters_stress, -1,

	     "Number of write-locking stress-test threads");