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-rw-r--r--include/linux/idr.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/idr.h b/include/linux/idr.h
index 871a213a8477..9c95d210458b 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -85,6 +85,7 @@ void idr_remove(struct idr *idp, int id);
void idr_free(struct idr *idp, int id);
void idr_destroy(struct idr *idp);
void idr_init(struct idr *idp);
+bool idr_is_empty(struct idr *idp);
/**
* idr_preload_end - end preload section started with idr_preload()