--- old/src/hotspot/share/gc/g1/g1ConcurrentMark.cpp	2020-08-19 20:27:53.564061069 +0200
+++ new/src/hotspot/share/gc/g1/g1ConcurrentMark.cpp	2020-08-19 20:27:53.424059099 +0200
@@ -443,7 +443,7 @@
     task_queue->initialize();
     _task_queues->register_queue(i, task_queue);
 
-    _tasks[i] = new G1CMTask(i, this, task_queue, _region_mark_stats, _g1h->max_regions());
+    _tasks[i] = new G1CMTask(i, this, task_queue, _region_mark_stats);
 
     _accum_task_vtime[i] = 0.0;
   }
@@ -2814,15 +2814,14 @@
 G1CMTask::G1CMTask(uint worker_id,
                    G1ConcurrentMark* cm,
                    G1CMTaskQueue* task_queue,
-                   G1RegionMarkStats* mark_stats,
-                   uint max_regions) :
+                   G1RegionMarkStats* mark_stats) :
   _objArray_processor(this),
   _worker_id(worker_id),
   _g1h(G1CollectedHeap::heap()),
   _cm(cm),
   _next_mark_bitmap(NULL),
   _task_queue(task_queue),
-  _mark_stats_cache(mark_stats, max_regions, RegionMarkStatsCacheSize),
+  _mark_stats_cache(mark_stats, RegionMarkStatsCacheSize),
   _calls(0),
   _time_target_ms(0.0),
   _start_time_ms(0.0),