88   uint                                _array_chunk_size;
 89   uint                                _min_array_size_for_chunking;
 90 
 91   PreservedMarks*                     _preserved_marks;
 92   PromotionFailedInfo                 _promotion_failed_info;
 93 
 94   StringDedup::Requests _string_dedup_requests;
 95 
 96   // Accessors
 97   static PSOldGen* old_gen()         { return _old_gen; }
 98   static MutableSpace* young_space() { return _young_space; }
 99 
100   inline static PSPromotionManager* manager_array(uint index);
101 
102   template <class T> void  process_array_chunk_work(oop obj,
103                                                     int start, int end);
104   void process_array_chunk(PartialArrayScanTask task);
105 
106   void push_depth(ScannerTask task);
107 
108   inline void promotion_trace_event(oop new_obj, oop old_obj, size_t obj_size,
109                                     uint age, bool tenured,
110                                     const PSPromotionLAB* lab);
111 
112   static PSScannerTasksQueueSet* stack_array_depth() { return _stack_array_depth; }
113 
114   template<bool promote_immediately>
115   oop copy_unmarked_to_survivor_space(oop o, markWord m);
116 
117  public:
118   // Static
119   static void initialize();
120 
121   static void pre_scavenge();
122   static bool post_scavenge(YoungGCTracer& gc_tracer);
123 
124   static PSPromotionManager* gc_thread_promotion_manager(uint index);
125   static PSPromotionManager* vm_thread_promotion_manager();
126 
127   static bool steal_depth(int queue_num, ScannerTask& t);
128 

 88   uint                                _array_chunk_size;
 89   uint                                _min_array_size_for_chunking;
 90 
 91   PreservedMarks*                     _preserved_marks;
 92   PromotionFailedInfo                 _promotion_failed_info;
 93 
 94   StringDedup::Requests _string_dedup_requests;
 95 
 96   // Accessors
 97   static PSOldGen* old_gen()         { return _old_gen; }
 98   static MutableSpace* young_space() { return _young_space; }
 99 
100   inline static PSPromotionManager* manager_array(uint index);
101 
102   template <class T> void  process_array_chunk_work(oop obj,
103                                                     int start, int end);
104   void process_array_chunk(PartialArrayScanTask task);
105 
106   void push_depth(ScannerTask task);
107 
108   inline void promotion_trace_event(oop new_obj, Klass* klass, size_t obj_size,
109                                     uint age, bool tenured,
110                                     const PSPromotionLAB* lab);
111 
112   static PSScannerTasksQueueSet* stack_array_depth() { return _stack_array_depth; }
113 
114   template<bool promote_immediately>
115   oop copy_unmarked_to_survivor_space(oop o, markWord m);
116 
117  public:
118   // Static
119   static void initialize();
120 
121   static void pre_scavenge();
122   static bool post_scavenge(YoungGCTracer& gc_tracer);
123 
124   static PSPromotionManager* gc_thread_promotion_manager(uint index);
125   static PSPromotionManager* vm_thread_promotion_manager();
126 
127   static bool steal_depth(int queue_num, ScannerTask& t);
128