Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/cardTableModRefBS.cpp
src/share/vm/memory/cardTableModRefBS.cpp
- changeset 2889
- fc2b798ab316
- parent 2849
- 063382f9b575
- child 3294
- bca17e38de00
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| 2857:54a56bbaf95b | 2889:fc2b798ab316 |
|---|---|
| 453 Atomic::cmpxchg(new_val, &_byte_map[card_index], val); | 453 Atomic::cmpxchg(new_val, &_byte_map[card_index], val); |
| 454 } | 454 } |
| 455 return true; | 455 return true; |
| 456 } | 456 } |
| 457 | 457 |
| 458 | |
| 459 void CardTableModRefBS::non_clean_card_iterate_possibly_parallel(Space* sp, | 458 void CardTableModRefBS::non_clean_card_iterate_possibly_parallel(Space* sp, |
| 460 MemRegion mr, | 459 MemRegion mr, |
| 461 DirtyCardToOopClosure* dcto_cl, | 460 OopsInGenClosure* cl, |
| 462 ClearNoncleanCardWrapper* cl) { | 461 CardTableRS* ct) { |
| 463 if (!mr.is_empty()) { | 462 if (!mr.is_empty()) { |
| 464 int n_threads = SharedHeap::heap()->n_par_threads(); | 463 int n_threads = SharedHeap::heap()->n_par_threads(); |
| 465 if (n_threads > 0) { | 464 if (n_threads > 0) { |
| 466 #ifndef SERIALGC | 465 #ifndef SERIALGC |
| 467 non_clean_card_iterate_parallel_work(sp, mr, dcto_cl, cl, n_threads); | 466 non_clean_card_iterate_parallel_work(sp, mr, cl, ct, n_threads); |
| 468 #else // SERIALGC | 467 #else // SERIALGC |
| 469 fatal("Parallel gc not supported here."); | 468 fatal("Parallel gc not supported here."); |
| 470 #endif // SERIALGC | 469 #endif // SERIALGC |
| 471 } else { | 470 } else { |
| 472 // We do not call the non_clean_card_iterate_serial() version below because | 471 // We do not call the non_clean_card_iterate_serial() version below because |
| 473 // we want to clear the cards (which non_clean_card_iterate_serial() does not | 472 // we want to clear the cards (which non_clean_card_iterate_serial() does not |
| 474 // do for us), and the ClearNoncleanCardWrapper closure itself does the work | 473 // do for us): clear_cl here does the work of finding contiguous dirty ranges |
| 475 // of finding contiguous dirty ranges of cards to process (and clear). | 474 // of cards to process and clear. |
| 476 cl->do_MemRegion(mr); | 475 |
| 476 DirtyCardToOopClosure* dcto_cl = sp->new_dcto_cl(cl, precision(), | |
| 477 cl->gen_boundary()); | |
| 478 ClearNoncleanCardWrapper clear_cl(dcto_cl, ct); | |
| 479 | |
| 480 clear_cl.do_MemRegion(mr); | |
| 477 } | 481 } |
| 478 } | 482 } |
| 479 } | 483 } |
| 480 | 484 |
| 481 // The iterator itself is not MT-aware, but | 485 // The iterator itself is not MT-aware, but |
