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-rw-r--r--mm/workingset.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/workingset.c b/mm/workingset.c
index 7119cd745ace..b997c9de28f6 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Workingset detection
*
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