src/hotspot/share/gc/parallel/parallelScavengeHeap.hpp

rev 52628 : changes for full GC

@@ -60,10 +60,13 @@
   static PSAdaptiveSizePolicy*       _size_policy;
   static PSGCAdaptivePolicyCounters* _gc_policy_counters;
 
   GenerationSizer* _collector_policy;
 
+  // is the heap backed by two different memories?
+  bool _is_hetero_heap;
+
   SoftRefPolicy _soft_ref_policy;
 
   // Collection of generations that are adjacent in the
   // space reserved for the heap.
   AdjoiningGenerations* _gens;

@@ -91,11 +94,11 @@
   inline void death_march_check(HeapWord* const result, size_t size);
   HeapWord* mem_allocate_old_gen(size_t size);
 
  public:
   ParallelScavengeHeap(GenerationSizer* policy) :
-    CollectedHeap(), _collector_policy(policy), _death_march_count(0) { }
+    CollectedHeap(), _collector_policy(policy), _is_hetero_heap(false), _death_march_count(0) { }
 
   // For use by VM operations
   enum CollectionType {
     Scavenge,
     MarkSweep

@@ -145,10 +148,13 @@
   // Return the (conservative) maximum heap alignment
   static size_t conservative_max_heap_alignment() {
     return CollectorPolicy::compute_heap_alignment();
   }
 
+  // is the heap backed by two different memories?
+  bool is_hetero_heap() { return _is_hetero_heap; }
+
   size_t capacity() const;
   size_t used() const;
 
   // Return "true" if all generations have reached the
   // maximal committed limit that they can reach, without a garbage