--- old/src/hotspot/share/gc/g1/heapRegionManager.cpp	2018-11-19 17:21:05.453914600 -0800
+++ new/src/hotspot/share/gc/g1/heapRegionManager.cpp	2018-11-19 17:21:04.551167400 -0800
@@ -27,7 +27,9 @@
 #include "gc/g1/g1ConcurrentRefine.hpp"
 #include "gc/g1/heapRegion.hpp"
 #include "gc/g1/heapRegionManager.inline.hpp"
+#include "gc/g1/heterogeneousHeapRegionManager.hpp"
 #include "gc/g1/heapRegionSet.inline.hpp"
+#include "gc/shared/collectorPolicy.hpp"
 #include "memory/allocation.hpp"
 #include "utilities/bitMap.inline.hpp"
 
@@ -54,18 +56,25 @@
 };
 
 HeapRegionManager::HeapRegionManager() :
-  _regions(), _heap_mapper(NULL),
   _prev_bitmap_mapper(NULL),
   _next_bitmap_mapper(NULL),
   _bot_mapper(NULL),
   _cardtable_mapper(NULL),
   _card_counts_mapper(NULL),
-  _free_list("Free list", new MasterFreeRegionListChecker()),
   _available_map(mtGC),
   _num_committed(0),
-  _allocated_heapregions_length(0)
+  _allocated_heapregions_length(0),
+  _regions(), _heap_mapper(NULL),
+  _free_list("Free list", new MasterFreeRegionListChecker())
 { }
 
+HeapRegionManager* HeapRegionManager::create_manager(G1CollectedHeap* heap, CollectorPolicy* policy) {
+  if (heap->is_hetero_heap()) {
+    return new HeterogeneousHeapRegionManager((uint)(policy->max_heap_byte_size() / HeapRegion::GrainBytes) /*heap size as num of regions*/);
+  }
+  return new HeapRegionManager();
+}
+
 void HeapRegionManager::initialize(G1RegionToSpaceMapper* heap_storage,
                                G1RegionToSpaceMapper* prev_bitmap,
                                G1RegionToSpaceMapper* next_bitmap,