Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/g1/heapRegion.hpp
src/share/vm/gc_implementation/g1/heapRegion.hpp
- changeset 7118
- 227a9e5e4b4a
- parent 7100
- edb5f3b38aab
- child 7131
- d35872270666
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| 7117:8ec8971f511a | 7118:227a9e5e4b4a |
|---|---|
| 23 */ | 23 */ |
| 24 | 24 |
| 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGION_HPP | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGION_HPP |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGION_HPP | 26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGION_HPP |
| 27 | 27 |
| 28 #include "gc_implementation/g1/g1AllocationContext.hpp" | |
| 28 #include "gc_implementation/g1/g1BlockOffsetTable.hpp" | 29 #include "gc_implementation/g1/g1BlockOffsetTable.hpp" |
| 29 #include "gc_implementation/g1/g1_specialized_oop_closures.hpp" | 30 #include "gc_implementation/g1/g1_specialized_oop_closures.hpp" |
| 30 #include "gc_implementation/g1/survRateGroup.hpp" | 31 #include "gc_implementation/g1/survRateGroup.hpp" |
| 31 #include "gc_implementation/shared/ageTable.hpp" | 32 #include "gc_implementation/shared/ageTable.hpp" |
| 32 #include "gc_implementation/shared/spaceDecorator.hpp" | 33 #include "gc_implementation/shared/spaceDecorator.hpp" |
| 234 | 235 |
| 235 protected: | 236 protected: |
| 236 // The index of this region in the heap region sequence. | 237 // The index of this region in the heap region sequence. |
| 237 uint _hrm_index; | 238 uint _hrm_index; |
| 238 | 239 |
| 240 AllocationContext_t _allocation_context; | |
| 241 | |
| 239 HumongousType _humongous_type; | 242 HumongousType _humongous_type; |
| 240 // For a humongous region, region in which it starts. | 243 // For a humongous region, region in which it starts. |
| 241 HeapRegion* _humongous_start_region; | 244 HeapRegion* _humongous_start_region; |
| 242 // For the start region of a humongous sequence, it's original end(). | 245 // For the start region of a humongous sequence, it's original end(). |
| 243 HeapWord* _orig_end; | 246 HeapWord* _orig_end; |
| 330 size_t _predicted_bytes_to_copy; | 333 size_t _predicted_bytes_to_copy; |
| 331 | 334 |
| 332 public: | 335 public: |
| 333 HeapRegion(uint hrm_index, | 336 HeapRegion(uint hrm_index, |
| 334 G1BlockOffsetSharedArray* sharedOffsetArray, | 337 G1BlockOffsetSharedArray* sharedOffsetArray, |
| 335 MemRegion mr); | 338 MemRegion mr, |
| 339 AllocationContext_t context = AllocationContext::system()); | |
| 336 | 340 |
| 337 // Initializing the HeapRegion not only resets the data structure, but also | 341 // Initializing the HeapRegion not only resets the data structure, but also |
| 338 // resets the BOT for that heap region. | 342 // resets the BOT for that heap region. |
| 339 // The default values for clear_space means that we will do the clearing if | 343 // The default values for clear_space means that we will do the clearing if |
| 340 // there's clearing to be done ourselves. We also always mangle the space. | 344 // there's clearing to be done ourselves. We also always mangle the space. |
| 525 assert(in_collection_set(), "should only invoke on member of CS."); | 529 assert(in_collection_set(), "should only invoke on member of CS."); |
| 526 assert(r == NULL || r->in_collection_set(), "Malformed CS."); | 530 assert(r == NULL || r->in_collection_set(), "Malformed CS."); |
| 527 _next_in_special_set = r; | 531 _next_in_special_set = r; |
| 528 } | 532 } |
| 529 | 533 |
| 534 void set_allocation_context(AllocationContext_t context) { | |
| 535 _allocation_context = context; | |
| 536 } | |
| 537 | |
| 538 AllocationContext_t allocation_context() const { | |
| 539 return _allocation_context; | |
| 540 } | |
| 541 | |
| 530 // Methods used by the HeapRegionSetBase class and subclasses. | 542 // Methods used by the HeapRegionSetBase class and subclasses. |
| 531 | 543 |
| 532 // Getter and setter for the next and prev fields used to link regions into | 544 // Getter and setter for the next and prev fields used to link regions into |
| 533 // linked lists. | 545 // linked lists. |
| 534 HeapRegion* next() { return _next; } | 546 HeapRegion* next() { return _next; } |
