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src/share/vm/gc/g1/g1CollectedHeap.hpp

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rev 11593 : imported patch 8034842-par-free-cset-old
rev 11595 : imported patch 8034842-erikh-jmasa-review

*** 116,125 **** --- 116,126 ---- public: virtual void on_commit(uint start_idx, size_t num_regions, bool zero_filled); }; class G1CollectedHeap : public CollectedHeap { + friend class G1FreeCollectionSetTask; friend class VM_CollectForMetadataAllocation; friend class VM_G1CollectForAllocation; friend class VM_G1CollectFull; friend class VM_G1IncCollectionPause; friend class VMStructs;
*** 640,656 **** // Frees a non-humongous region by initializing its contents and // adding it to the free list that's passed as a parameter (this is // usually a local list which will be appended to the master free // list later). The used bytes of freed regions are accumulated in ! // pre_used. If par is true, the region's RSet will not be freed ! // up. The assumption is that this will be done later. // The locked parameter indicates if the caller has already taken // care of proper synchronization. This may allow some optimizations. void free_region(HeapRegion* hr, FreeRegionList* free_list, ! bool par, bool locked = false); // It dirties the cards that cover the block so that the post // write barrier never queues anything when updating objects on this // block. It is assumed (and in fact we assert) that the block --- 641,659 ---- // Frees a non-humongous region by initializing its contents and // adding it to the free list that's passed as a parameter (this is // usually a local list which will be appended to the master free // list later). The used bytes of freed regions are accumulated in ! // pre_used. If skip_remset is true, the region's RSet will not be freed ! // up. If skip_hot_card_cache is true, the region's hot card cache will not ! // be freed up. The assumption is that this will be done later. // The locked parameter indicates if the caller has already taken // care of proper synchronization. This may allow some optimizations. void free_region(HeapRegion* hr, FreeRegionList* free_list, ! bool skip_remset, ! bool skip_hot_card_cache = false, bool locked = false); // It dirties the cards that cover the block so that the post // write barrier never queues anything when updating objects on this // block. It is assumed (and in fact we assert) that the block
*** 660,674 **** // Frees a humongous region by collapsing it into individual regions // and calling free_region() for each of them. The freed regions // will be added to the free list that's passed as a parameter (this // is usually a local list which will be appended to the master free // list later). The used bytes of freed regions are accumulated in ! // pre_used. If par is true, the region's RSet will not be freed // up. The assumption is that this will be done later. void free_humongous_region(HeapRegion* hr, FreeRegionList* free_list, ! bool par); // Facility for allocating in 'archive' regions in high heap memory and // recording the allocated ranges. These should all be called from the // VM thread at safepoints, without the heap lock held. They can be used // to create and archive a set of heap regions which can be mapped at the --- 663,677 ---- // Frees a humongous region by collapsing it into individual regions // and calling free_region() for each of them. The freed regions // will be added to the free list that's passed as a parameter (this // is usually a local list which will be appended to the master free // list later). The used bytes of freed regions are accumulated in ! // pre_used. If skip_remset is true, the region's RSet will not be freed // up. The assumption is that this will be done later. void free_humongous_region(HeapRegion* hr, FreeRegionList* free_list, ! bool skip_remset); // Facility for allocating in 'archive' regions in high heap memory and // recording the allocated ranges. These should all be called from the // VM thread at safepoints, without the heap lock held. They can be used // to create and archive a set of heap regions which can be mapped at the
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