diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index c47824464f4c6f4c22524f1c6c6c8b429916c2e3..cefee7210d832dd10d82955b9494842bbdf00b9e 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -685,7 +685,7 @@ static u64 bdi_get_bytes(unsigned int ratio)
 	return bytes;
 }
 
-int bdi_set_min_ratio(struct backing_dev_info *bdi, unsigned int min_ratio)
+static int __bdi_set_min_ratio(struct backing_dev_info *bdi, unsigned int min_ratio)
 {
 	unsigned int delta;
 	int ret = 0;
@@ -731,6 +731,11 @@ static int __bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ra
 	return ret;
 }
 
+int bdi_set_min_ratio(struct backing_dev_info *bdi, unsigned int min_ratio)
+{
+	return __bdi_set_min_ratio(bdi, min_ratio * BDI_RATIO_SCALE);
+}
+
 int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ratio)
 {
 	if (max_ratio > 100)