4 files changed, 4 insertions, 8 deletions
diff --git a/mm/percpu-km.c b/mm/percpu-km.c
index 3a2ff5c9192c..20d2b69a13b0 100644
--- a/mm/percpu-km.c
+++ b/mm/percpu-km.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * mm/percpu-km.c - kernel memory based chunk allocation
  *
  * Copyright (C) 2010		SUSE Linux Products GmbH
  * Copyright (C) 2010		Tejun Heo <tj@kernel.org>
  *
- * This file is released under the GPLv2.
- *
  * Chunks are allocated as a contiguous kernel memory using gfp
  * allocation.  This is to be used on nommu architectures.
  *
diff --git a/mm/percpu-stats.c b/mm/percpu-stats.c
index ef5034a0464e..a5a8b22816ff 100644
--- a/mm/percpu-stats.c
+++ b/mm/percpu-stats.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * mm/percpu-debug.c
  *
  * Copyright (C) 2017		Facebook Inc.
  * Copyright (C) 2017		Dennis Zhou <dennisz@fb.com>
  *
- * This file is released under the GPLv2.
- *
  * Prints statistics about the percpu allocator and backing chunks.
  */
 #include <linux/debugfs.h>
diff --git a/mm/percpu-vm.c b/mm/percpu-vm.c
index d8078de912de..a2b395acef89 100644
--- a/mm/percpu-vm.c
+++ b/mm/percpu-vm.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * mm/percpu-vm.c - vmalloc area based chunk allocation
  *
  * Copyright (C) 2010		SUSE Linux Products GmbH
  * Copyright (C) 2010		Tejun Heo <tj@kernel.org>
  *
- * This file is released under the GPLv2.
- *
  * Chunks are mapped into vmalloc areas and populated page by page.
  * This is the default chunk allocator.
  */
diff --git a/mm/percpu.c b/mm/percpu.c
index 2df0ee680ea6..9821241fdede 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * mm/percpu.c - percpu memory allocator
  *
@@ -7,8 +8,6 @@
  * Copyright (C) 2017		Facebook Inc.
  * Copyright (C) 2017		Dennis Zhou <dennisszhou@gmail.com>
  *
- * This file is released under the GPLv2 license.
- *
  * The percpu allocator handles both static and dynamic areas.  Percpu
  * areas are allocated in chunks which are divided into units.  There is
  * a 1-to-1 mapping for units to possible cpus.  These units are grouped