treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 25

Based on 1 normalized pattern(s):

  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 would 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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 6 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190519154043.007767574@linutronix.deSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

kernel/delayacct.c

+// SPDX-License-Identifier: GPL-2.0-or-later
 /* delayacct.c - per-task delay accounting
  *
  * Copyright (C) Shailabh Nagar, IBM Corp. 2006
- *
- * 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 would 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.
  */
 
 #include <linux/sched.h>

kernel/test_kprobes.c

+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * test_kprobes.c - simple sanity test for *probes
  *
  * Copyright IBM Corp. 2008
- *
- * 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 would 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.
  */
 
 #define pr_fmt(fmt) "Kprobe smoke test: " fmt

tools/testing/selftests/ntb/ntb_test.sh

 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
 # Copyright (c) 2016 Microsemi. All Rights Reserved.
 #
-# 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 would 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.
-#
 # Author: Logan Gunthorpe <logang@deltatee.com>
 
 REMOTE_HOST=

tools/testing/selftests/zram/zram01.sh

 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
 # Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
 #
-# 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 would 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.
-#
 # Test creates several zram devices with different filesystems on them.
 # It fills each device with zeros and checks that compression works.
 #

tools/testing/selftests/zram/zram02.sh

 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
 # Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
 #
-# 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 would 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.
-#
 # Test checks that we can create swap zram device.
 #
 # Author: Alexey Kodanev <alexey.kodanev@oracle.com>

tools/testing/selftests/zram/zram_lib.sh

 #!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-or-later
 # Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
 #
-# 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 would 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.
-#
 # Author: Alexey Kodanev <alexey.kodanev@oracle.com>
 # Modified: Naresh Kamboju <naresh.kamboju@linaro.org>