--- old/src/hotspot/share/gc/g1/g1RegionToSpaceMapper.hpp	2018-11-19 17:20:42.905878900 -0800
+++ new/src/hotspot/share/gc/g1/g1RegionToSpaceMapper.hpp	2018-11-19 17:20:41.968547700 -0800
@@ -106,13 +106,13 @@
   uint _num_committed_nvdimm;
   uint _start_index_of_nvdimm;
   uint _start_index_of_dram;
-
-  void map_nvdimm_space(ReservedSpace rs);
+  bool _success;
 
 public:
   G1RegionToHeteroSpaceMapper(ReservedSpace rs, size_t used_size, size_t page_size, size_t region_granularity, size_t commit_factor, MemoryType type);
-  uint num_committed_dram();
-  uint num_committed_nvdimm();
+  uint num_committed_dram() const;
+  uint num_committed_nvdimm() const;
+  bool success() { return _success; }
 
   virtual void commit_regions(uint start_idx, size_t num_regions = 1, WorkGang* pretouch_workers = NULL);
   virtual void uncommit_regions(uint start_idx, size_t num_regions = 1);