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-rw-r--r--fs/drop_caches.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index d72d52b90433..82377017130f 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Implement the manual drop-all-pagecache function
*/