--- old/src/hotspot/share/gc/g1/g1Policy.cpp	2019-11-26 16:18:14.182861846 +0100
+++ new/src/hotspot/share/gc/g1/g1Policy.cpp	2019-11-26 16:18:13.762859764 +0100
@@ -601,7 +601,7 @@
 }
 
 double G1Policy::constant_other_time_ms(double pause_time_ms) const {
-  return other_time_ms(pause_time_ms) - phase_times()->total_free_cset_time_ms();
+  return other_time_ms(pause_time_ms) - phase_times()->total_free_cset_time_ms() - phase_times()->total_rebuild_freelist_time_ms();
 }
 
 bool G1Policy::about_to_start_mixed_phase() const {