diff -r 70021dbed82b -r 9ee940f1de90 src/hotspot/share/gc/g1/g1Policy.hpp
--- a/src/hotspot/share/gc/g1/g1Policy.hpp	Fri Nov 29 11:28:39 2019 +0300
+++ b/src/hotspot/share/gc/g1/g1Policy.hpp	Fri Nov 29 10:20:14 2019 +0100
@@ -140,9 +140,9 @@
     _rs_length = rs_length;
   }
 
-  double predict_base_elapsed_time_ms(size_t pending_cards) const;
-  double predict_base_elapsed_time_ms(size_t pending_cards,
-                                      size_t scanned_cards) const;
+  double predict_base_elapsed_time_ms(size_t num_pending_cards) const;
+  double predict_base_elapsed_time_ms(size_t num_pending_cards,
+                                      size_t rs_length) const;
   size_t predict_bytes_to_copy(HeapRegion* hr) const;
   double predict_region_elapsed_time_ms(HeapRegion* hr, bool for_young_gc) const;