1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/percpu_ida.h b/include/linux/percpu_ida.h
index 56c14033e7e7..63510ae6f933 100644
--- a/include/linux/percpu_ida.h
+++ b/include/linux/percpu_ida.h
@@ -73,4 +73,8 @@ static inline int percpu_ida_init(struct percpu_ida *pool, unsigned long nr_tags
                 IDA_DEFAULT_PCPU_BATCH_MOVE);
 }
 
+typedef int (*percpu_ida_cb)(unsigned, void *);
+int percpu_ida_for_each_free(struct percpu_ida *pool, percpu_ida_cb fn,
+        void *data);
+
 #endif /* __PERCPU_IDA_H__ */