Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/generation.cpp
src/share/vm/memory/generation.cpp
- changeset 698
- 12eea04c8b06
- parent 548
- ba764ed4b6f2
- child 704
- 850fdf70db2b
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replaced
| 660:286bee59f34b | 698:12eea04c8b06 |
|---|---|
| 29 _level(level), | 29 _level(level), |
| 30 _ref_processor(NULL) { | 30 _ref_processor(NULL) { |
| 31 if (!_virtual_space.initialize(rs, initial_size)) { | 31 if (!_virtual_space.initialize(rs, initial_size)) { |
| 32 vm_exit_during_initialization("Could not reserve enough space for " | 32 vm_exit_during_initialization("Could not reserve enough space for " |
| 33 "object heap"); | 33 "object heap"); |
| 34 } | |
| 35 // Mangle all of the the initial generation. | |
| 36 if (ZapUnusedHeapArea) { | |
| 37 MemRegion mangle_region((HeapWord*)_virtual_space.low(), | |
| 38 (HeapWord*)_virtual_space.high()); | |
| 39 SpaceMangler::mangle_region(mangle_region); | |
| 34 } | 40 } |
| 35 _reserved = MemRegion((HeapWord*)_virtual_space.low_boundary(), | 41 _reserved = MemRegion((HeapWord*)_virtual_space.low_boundary(), |
| 36 (HeapWord*)_virtual_space.high_boundary()); | 42 (HeapWord*)_virtual_space.high_boundary()); |
| 37 } | 43 } |
| 38 | 44 |
| 503 Universe::heap()->barrier_set()->resize_covered_region(mr); | 509 Universe::heap()->barrier_set()->resize_covered_region(mr); |
| 504 // Expand shared block offset array | 510 // Expand shared block offset array |
| 505 _bts->resize(new_word_size); | 511 _bts->resize(new_word_size); |
| 506 | 512 |
| 507 // Fix for bug #4668531 | 513 // Fix for bug #4668531 |
| 508 MemRegion mangle_region(_the_space->end(), (HeapWord*)_virtual_space.high()); | 514 if (ZapUnusedHeapArea) { |
| 509 _the_space->mangle_region(mangle_region); | 515 MemRegion mangle_region(_the_space->end(), |
| 516 (HeapWord*)_virtual_space.high()); | |
| 517 SpaceMangler::mangle_region(mangle_region); | |
| 518 } | |
| 510 | 519 |
| 511 // Expand space -- also expands space's BOT | 520 // Expand space -- also expands space's BOT |
| 512 // (which uses (part of) shared array above) | 521 // (which uses (part of) shared array above) |
| 513 _the_space->set_end((HeapWord*)_virtual_space.high()); | 522 _the_space->set_end((HeapWord*)_virtual_space.high()); |
| 514 | 523 |
| 620 void OneContigSpaceCardGeneration::gc_epilogue(bool full) { | 629 void OneContigSpaceCardGeneration::gc_epilogue(bool full) { |
| 621 _last_gc = WaterMark(the_space(), the_space()->top()); | 630 _last_gc = WaterMark(the_space(), the_space()->top()); |
| 622 | 631 |
| 623 // update the generation and space performance counters | 632 // update the generation and space performance counters |
| 624 update_counters(); | 633 update_counters(); |
| 634 if (ZapUnusedHeapArea) { | |
| 635 the_space()->check_mangled_unused_area_complete(); | |
| 636 } | |
| 637 } | |
| 638 | |
| 639 void OneContigSpaceCardGeneration::record_spaces_top() { | |
| 640 assert(ZapUnusedHeapArea, "Not mangling unused space"); | |
| 641 the_space()->set_top_for_allocations(); | |
| 625 } | 642 } |
| 626 | 643 |
| 627 void OneContigSpaceCardGeneration::verify(bool allow_dirty) { | 644 void OneContigSpaceCardGeneration::verify(bool allow_dirty) { |
| 628 the_space()->verify(allow_dirty); | 645 the_space()->verify(allow_dirty); |
| 629 } | 646 } |
