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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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/heap/mark-compact.h" | 5 #include "src/heap/mark-compact.h" |
6 | 6 |
7 #include "src/base/atomicops.h" | 7 #include "src/base/atomicops.h" |
8 #include "src/base/bits.h" | 8 #include "src/base/bits.h" |
9 #include "src/base/sys-info.h" | 9 #include "src/base/sys-info.h" |
10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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3858 Heap::ShouldZapGarbage() ? ZAP_FREE_SPACE : IGNORE_FREE_SPACE; | 3858 Heap::ShouldZapGarbage() ? ZAP_FREE_SPACE : IGNORE_FREE_SPACE; |
3859 if (identity == NEW_SPACE) { | 3859 if (identity == NEW_SPACE) { |
3860 RawSweep(page, IGNORE_FREE_LIST, free_space_mode); | 3860 RawSweep(page, IGNORE_FREE_LIST, free_space_mode); |
3861 } else if (identity == OLD_SPACE) { | 3861 } else if (identity == OLD_SPACE) { |
3862 max_freed = RawSweep(page, REBUILD_FREE_LIST, free_space_mode); | 3862 max_freed = RawSweep(page, REBUILD_FREE_LIST, free_space_mode); |
3863 } else if (identity == CODE_SPACE) { | 3863 } else if (identity == CODE_SPACE) { |
3864 max_freed = RawSweep(page, REBUILD_FREE_LIST, free_space_mode); | 3864 max_freed = RawSweep(page, REBUILD_FREE_LIST, free_space_mode); |
3865 } else { | 3865 } else { |
3866 max_freed = RawSweep(page, REBUILD_FREE_LIST, free_space_mode); | 3866 max_freed = RawSweep(page, REBUILD_FREE_LIST, free_space_mode); |
3867 } | 3867 } |
3868 | |
3869 // After finishing sweeping of a page we clean up its remembered set. | |
3870 if (page->typed_old_to_new_slots()) { | |
3871 page->typed_old_to_new_slots()->FreeToBeFreedChunks(); | |
3872 } | |
3873 | |
3874 { | 3868 { |
3875 base::LockGuard<base::Mutex> guard(&mutex_); | 3869 base::LockGuard<base::Mutex> guard(&mutex_); |
3876 swept_list_[identity].Add(page); | 3870 swept_list_[identity].Add(page); |
3877 } | 3871 } |
3878 page->concurrent_sweeping_state().SetValue(Page::kSweepingDone); | 3872 page->concurrent_sweeping_state().SetValue(Page::kSweepingDone); |
3879 page->mutex()->Unlock(); | 3873 page->mutex()->Unlock(); |
3880 } | 3874 } |
3881 return max_freed; | 3875 return max_freed; |
3882 } | 3876 } |
3883 | 3877 |
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4048 // The target is always in old space, we don't have to record the slot in | 4042 // The target is always in old space, we don't have to record the slot in |
4049 // the old-to-new remembered set. | 4043 // the old-to-new remembered set. |
4050 DCHECK(!heap()->InNewSpace(target)); | 4044 DCHECK(!heap()->InNewSpace(target)); |
4051 RecordRelocSlot(host, &rinfo, target); | 4045 RecordRelocSlot(host, &rinfo, target); |
4052 } | 4046 } |
4053 } | 4047 } |
4054 } | 4048 } |
4055 | 4049 |
4056 } // namespace internal | 4050 } // namespace internal |
4057 } // namespace v8 | 4051 } // namespace v8 |
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