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src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp

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rev 60111 : webrev04


 600                                                size_t size,
 601                                                Metaspace::MetadataType mdtype);
 602 
 603   void notify_mutator_alloc_words(size_t words, bool waste);
 604 
 605   // Shenandoah supports TLAB allocation
 606   bool supports_tlab_allocation() const { return true; }
 607 
 608   HeapWord* allocate_new_tlab(size_t min_size, size_t requested_size, size_t* actual_size);
 609   size_t tlab_capacity(Thread *thr) const;
 610   size_t unsafe_max_tlab_alloc(Thread *thread) const;
 611   size_t max_tlab_size() const;
 612   size_t tlab_used(Thread* ignored) const;
 613 
 614   void ensure_parsability(bool retire_labs);
 615 
 616   void labs_make_parsable();
 617   void tlabs_retire(bool resize);
 618   void gclabs_retire(bool resize);
 619 




 620 // ---------- Marking support
 621 //
 622 private:
 623   ShenandoahMarkingContext* _marking_context;
 624   MemRegion  _bitmap_region;
 625   MemRegion  _aux_bitmap_region;
 626   MarkBitMap _verification_bit_map;
 627   MarkBitMap _aux_bit_map;
 628 
 629   size_t _bitmap_size;
 630   size_t _bitmap_regions_per_slice;
 631   size_t _bitmap_bytes_per_slice;
 632 
 633   size_t _pretouch_heap_page_size;
 634   size_t _pretouch_bitmap_page_size;
 635 
 636   bool _bitmap_region_special;
 637   bool _aux_bitmap_region_special;
 638 
 639   ShenandoahLiveData** _liveness_cache;




 600                                                size_t size,
 601                                                Metaspace::MetadataType mdtype);
 602 
 603   void notify_mutator_alloc_words(size_t words, bool waste);
 604 
 605   // Shenandoah supports TLAB allocation
 606   bool supports_tlab_allocation() const { return true; }
 607 
 608   HeapWord* allocate_new_tlab(size_t min_size, size_t requested_size, size_t* actual_size);
 609   size_t tlab_capacity(Thread *thr) const;
 610   size_t unsafe_max_tlab_alloc(Thread *thread) const;
 611   size_t max_tlab_size() const;
 612   size_t tlab_used(Thread* ignored) const;
 613 
 614   void ensure_parsability(bool retire_labs);
 615 
 616   void labs_make_parsable();
 617   void tlabs_retire(bool resize);
 618   void gclabs_retire(bool resize);
 619 
 620   // Runs the given AbstractGangTask with the current active workers.
 621   // Returns the total time to run the task.
 622   virtual void run_task(AbstractGangTask* task);
 623 
 624 // ---------- Marking support
 625 //
 626 private:
 627   ShenandoahMarkingContext* _marking_context;
 628   MemRegion  _bitmap_region;
 629   MemRegion  _aux_bitmap_region;
 630   MarkBitMap _verification_bit_map;
 631   MarkBitMap _aux_bit_map;
 632 
 633   size_t _bitmap_size;
 634   size_t _bitmap_regions_per_slice;
 635   size_t _bitmap_bytes_per_slice;
 636 
 637   size_t _pretouch_heap_page_size;
 638   size_t _pretouch_bitmap_page_size;
 639 
 640   bool _bitmap_region_special;
 641   bool _aux_bitmap_region_special;
 642 
 643   ShenandoahLiveData** _liveness_cache;


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