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-rw-r--r--kernel/smpboot.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index c230c2dd48e1..2efe1e206167 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Common SMP CPU bringup/teardown functions
*/