src/share/vm/gc_implementation/parallelScavenge/psYoungGen.hpp

*** 47,56 ****
--- 47,59 ----
    // Sizing information, in bytes, set in constructor
    const size_t _init_gen_size;
    const size_t _min_gen_size;
    const size_t _max_gen_size;
  
+   size_t _init_survivor_size;
+   size_t _init_eden_size;
+ 
    // Performance counters
    PSGenerationCounters*     _gen_counters;
    SpaceCounters*            _eden_counters;
    SpaceCounters*            _from_counters;
    SpaceCounters*            _to_counters;
*** 89,98 ****
--- 92,103 ----
               size_t        maximum_byte_size);
    void initialize_work();
    virtual void initialize(ReservedSpace rs, size_t alignment);
    virtual void initialize_virtual_space(ReservedSpace rs, size_t alignment);
  
+   size_t init_gen_size()                    { return _init_gen_size; }
+ 
    MemRegion reserved() const            { return _reserved; }
  
    bool is_in(const void* p) const   {
        return _virtual_space->contains((void *)p);
    }
*** 185,190 ****
--- 190,197 ----
                          MemRegion s1MR,
                          MutableSpace* s2,
                          MemRegion s2MR) PRODUCT_RETURN;
  
    void record_spaces_top() PRODUCT_RETURN;
+ 
+   void try_to_shrink_by(size_t shrink_bytes);
  };