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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/store-buffer.h" | 5 #include "src/store-buffer.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "src/v8.h" | 9 #include "src/v8.h" |
10 | 10 |
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498 heap_object = iterator.Next()) { | 498 heap_object = iterator.Next()) { |
499 // We skip free space objects. | 499 // We skip free space objects. |
500 if (!heap_object->IsFiller()) { | 500 if (!heap_object->IsFiller()) { |
501 FindPointersToNewSpaceInRegion( | 501 FindPointersToNewSpaceInRegion( |
502 heap_object->address() + HeapObject::kHeaderSize, | 502 heap_object->address() + HeapObject::kHeaderSize, |
503 heap_object->address() + heap_object->Size(), slot_callback, | 503 heap_object->address() + heap_object->Size(), slot_callback, |
504 clear_maps); | 504 clear_maps); |
505 } | 505 } |
506 } | 506 } |
507 } else { | 507 } else { |
508 if (page->parallel_sweeping() > MemoryChunk::SWEEPING_FINALIZE) { | 508 if (!page->SweepingCompleted()) { |
509 heap_->mark_compact_collector()->SweepInParallel(page, owner); | 509 heap_->mark_compact_collector()->SweepInParallel(page, owner); |
510 if (page->parallel_sweeping() > MemoryChunk::SWEEPING_FINALIZE) { | 510 if (!page->SweepingCompleted()) { |
511 // We were not able to sweep that page, i.e., a concurrent | 511 // We were not able to sweep that page, i.e., a concurrent |
512 // sweeper thread currently owns this page. | 512 // sweeper thread currently owns this page. |
513 // TODO(hpayer): This may introduce a huge pause here. We | 513 // TODO(hpayer): This may introduce a huge pause here. We |
514 // just care about finish sweeping of the scan on scavenge page. | 514 // just care about finish sweeping of the scan on scavenge page. |
515 heap_->mark_compact_collector()->EnsureSweepingCompleted(); | 515 heap_->mark_compact_collector()->EnsureSweepingCompleted(); |
516 } | 516 } |
517 } | 517 } |
518 // TODO(hpayer): remove the special casing and merge map and pointer | 518 // TODO(hpayer): remove the special casing and merge map and pointer |
519 // space handling as soon as we removed conservative sweeping. | 519 // space handling as soon as we removed conservative sweeping. |
520 CHECK(page->owner() == heap_->old_pointer_space()); | 520 CHECK(page->owner() == heap_->old_pointer_space()); |
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592 } | 592 } |
593 old_buffer_is_sorted_ = false; | 593 old_buffer_is_sorted_ = false; |
594 old_buffer_is_filtered_ = false; | 594 old_buffer_is_filtered_ = false; |
595 *old_top_++ = reinterpret_cast<Address>(int_addr << kPointerSizeLog2); | 595 *old_top_++ = reinterpret_cast<Address>(int_addr << kPointerSizeLog2); |
596 ASSERT(old_top_ <= old_limit_); | 596 ASSERT(old_top_ <= old_limit_); |
597 } | 597 } |
598 heap_->isolate()->counters()->store_buffer_compactions()->Increment(); | 598 heap_->isolate()->counters()->store_buffer_compactions()->Increment(); |
599 } | 599 } |
600 | 600 |
601 } } // namespace v8::internal | 601 } } // namespace v8::internal |
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