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-rw-r--r--include/linux/idr.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/idr.h b/include/linux/idr.h
index 083d61e92706..3639a28188c9 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -195,6 +195,11 @@ static inline int ida_get_new(struct ida *ida, int *p_id)
return ida_get_new_above(ida, 0, p_id);
}
+static inline bool ida_is_empty(struct ida *ida)
+{
+ return idr_is_empty(&ida->idr);
+}
+
void __init idr_init_cache(void);
#endif /* __IDR_H__ */