Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/g1/heapRegion.cpp
src/share/vm/gc_implementation/g1/heapRegion.cpp
- changeset 2241
- 72a161e62cc4
- parent 2073
- bb847e31b836
- child 2314
- f95d63e2154a
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| 2240:a5c514e74487 | 2241:72a161e62cc4 |
|---|---|
| 375 _gc_efficiency = (double) garbage_bytes() / | 375 _gc_efficiency = (double) garbage_bytes() / |
| 376 g1h->predict_region_elapsed_time_ms(this, false); | 376 g1h->predict_region_elapsed_time_ms(this, false); |
| 377 } | 377 } |
| 378 // </PREDICTION> | 378 // </PREDICTION> |
| 379 | 379 |
| 380 void HeapRegion::set_startsHumongous() { | 380 void HeapRegion::set_startsHumongous(HeapWord* new_end) { |
| 381 assert(end() == _orig_end, | |
| 382 "Should be normal before the humongous object allocation"); | |
| 383 assert(top() == bottom(), "should be empty"); | |
| 384 | |
| 381 _humongous_type = StartsHumongous; | 385 _humongous_type = StartsHumongous; |
| 382 _humongous_start_region = this; | 386 _humongous_start_region = this; |
| 383 assert(end() == _orig_end, "Should be normal before alloc."); | 387 |
| 388 set_end(new_end); | |
| 389 _offsets.set_for_starts_humongous(new_end); | |
| 390 } | |
| 391 | |
| 392 void HeapRegion::set_continuesHumongous(HeapRegion* start) { | |
| 393 assert(end() == _orig_end, | |
| 394 "Should be normal before the humongous object allocation"); | |
| 395 assert(top() == bottom(), "should be empty"); | |
| 396 assert(start->startsHumongous(), "pre-condition"); | |
| 397 | |
| 398 _humongous_type = ContinuesHumongous; | |
| 399 _humongous_start_region = start; | |
| 384 } | 400 } |
| 385 | 401 |
| 386 bool HeapRegion::claimHeapRegion(jint claimValue) { | 402 bool HeapRegion::claimHeapRegion(jint claimValue) { |
| 387 jint current = _claimed; | 403 jint current = _claimed; |
| 388 if (current != claimValue) { | 404 if (current != claimValue) { |
| 496 // cast away const-ness | 512 // cast away const-ness |
| 497 HeapRegion* r = (HeapRegion*) this; | 513 HeapRegion* r = (HeapRegion*) this; |
| 498 NextCompactionHeapRegionClosure blk(r); | 514 NextCompactionHeapRegionClosure blk(r); |
| 499 g1h->heap_region_iterate_from(r, &blk); | 515 g1h->heap_region_iterate_from(r, &blk); |
| 500 return blk.result(); | 516 return blk.result(); |
| 501 } | |
| 502 | |
| 503 void HeapRegion::set_continuesHumongous(HeapRegion* start) { | |
| 504 // The order is important here. | |
| 505 start->add_continuingHumongousRegion(this); | |
| 506 _humongous_type = ContinuesHumongous; | |
| 507 _humongous_start_region = start; | |
| 508 } | |
| 509 | |
| 510 void HeapRegion::add_continuingHumongousRegion(HeapRegion* cont) { | |
| 511 // Must join the blocks of the current H region seq with the block of the | |
| 512 // added region. | |
| 513 offsets()->join_blocks(bottom(), cont->bottom()); | |
| 514 arrayOop obj = (arrayOop)(bottom()); | |
| 515 obj->set_length((int) (obj->length() + cont->capacity()/jintSize)); | |
| 516 set_end(cont->end()); | |
| 517 set_top(cont->end()); | |
| 518 } | 517 } |
| 519 | 518 |
| 520 void HeapRegion::save_marks() { | 519 void HeapRegion::save_marks() { |
| 521 set_saved_mark(); | 520 set_saved_mark(); |
| 522 } | 521 } |
