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

*** 104,113 ****
--- 104,114 ----
    void initialize_work(const char* perf_data_name, int level);
  
    MemRegion reserved() const                { return _reserved; }
    virtual size_t max_gen_size()             { return _max_gen_size; }
    size_t min_gen_size()                     { return _min_gen_size; }
+   size_t init_gen_size()                    { return _init_gen_size; }
  
    // Returns limit on the maximum size of the generation.  This
    // is the same as _max_gen_size for PSOldGen but need not be
    // for a derived class.
    virtual size_t gen_size_limit();
*** 187,192 ****
--- 188,196 ----
    virtual const char* name() const { return _name; }
  
    // Debugging support
    // Save the tops of all spaces for later use during mangling.
    void record_spaces_top() PRODUCT_RETURN;
+ 
+   void try_to_expand_by(size_t expand_bytes);
+   void try_to_shrink_by(size_t shrink_bytes);
  };