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-rw-r--r--include/linux/ref_tracker.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ref_tracker.h b/include/linux/ref_tracker.h
index 8eac4f3d5254..a0a1ee43724f 100644
--- a/include/linux/ref_tracker.h
+++ b/include/linux/ref_tracker.h
@@ -6,6 +6,8 @@
#include <linux/spinlock.h>
#include <linux/stackdepot.h>
+#define __ostream_printf __printf(2, 3)
+
struct ref_tracker;
struct ref_tracker_dir {