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-rw-r--r--kernel/smpboot.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/smpboot.h b/kernel/smpboot.h
index 485b81c..34dd3d7 100644
--- a/kernel/smpboot.h
+++ b/kernel/smpboot.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef SMPBOOT_H
#define SMPBOOT_H
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