--- a/src/hotspot/share/gc/shenandoah/shenandoahWorkerPolicy.hpp	Wed Jun 19 12:17:22 2019 +0100
+++ b/src/hotspot/share/gc/shenandoah/shenandoahWorkerPolicy.hpp	Wed Jun 19 08:52:15 2019 -0400
@@ -30,6 +30,7 @@
 private:
   static uint _prev_par_marking;
   static uint _prev_conc_marking;
+  static uint _prev_conc_root_proc;
   static uint _prev_conc_evac;
   static uint _prev_fullgc;
   static uint _prev_degengc;
@@ -50,6 +51,9 @@
   // Calculate the number of workers for final marking
   static uint calc_workers_for_final_marking();
 
+  // Calculate workers for concurrent root processing
+  static uint calc_workers_for_conc_root_processing();
+
   // Calculate workers for concurrent evacuation (concurrent GC)
   static uint calc_workers_for_conc_evac();