src/share/vm/memory/generation.hpp

rev 7474 : imported patch separateCardGeneration

*** 582,640 ****
    // Performance Counter support
    virtual void update_counters() = 0;
    virtual CollectorCounters* counters() { return _gc_counters; }
  };
  
- // Class CardGeneration is a generation that is covered by a card table,
- // and uses a card-size block-offset array to implement block_start.
- 
- // class BlockOffsetArray;
- // class BlockOffsetArrayContigSpace;
- class BlockOffsetSharedArray;
- 
- class CardGeneration: public Generation {
-   friend class VMStructs;
-  protected:
-   // This is shared with other generations.
-   GenRemSet* _rs;
-   // This is local to this generation.
-   BlockOffsetSharedArray* _bts;
- 
-   // current shrinking effect: this damps shrinking when the heap gets empty.
-   size_t _shrink_factor;
- 
-   size_t _min_heap_delta_bytes;   // Minimum amount to expand.
- 
-   // Some statistics from before gc started.
-   // These are gathered in the gc_prologue (and should_collect)
-   // to control growing/shrinking policy in spite of promotions.
-   size_t _capacity_at_prologue;
-   size_t _used_at_prologue;
- 
-   CardGeneration(ReservedSpace rs, size_t initial_byte_size, int level,
-                  GenRemSet* remset);
- 
-  public:
- 
-   // Attempt to expand the generation by "bytes".  Expand by at a
-   // minimum "expand_bytes".  Return true if some amount (not
-   // necessarily the full "bytes") was done.
-   virtual bool expand(size_t bytes, size_t expand_bytes);
- 
-   // Shrink generation with specified size (returns false if unable to shrink)
-   virtual void shrink(size_t bytes) = 0;
- 
-   virtual void compute_new_size();
- 
-   virtual void clear_remembered_set();
- 
-   virtual void invalidate_remembered_set();
- 
-   virtual void prepare_for_verify();
- 
-   // Grow generation with specified size (returns false if unable to grow)
-   virtual bool grow_by(size_t bytes) = 0;
-   // Grow generation to reserved size.
-   virtual bool grow_to_reserved() = 0;
- };
- 
  #endif // SHARE_VM_MEMORY_GENERATION_HPP
--- 582,587 ----