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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/heap/spaces.h" | 5 #include "src/heap/spaces.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/base/platform/platform.h" | 10 #include "src/base/platform/platform.h" |
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2609 | 2609 |
2610 // The old-space-step might have finished sweeping and restarted marking. | 2610 // The old-space-step might have finished sweeping and restarted marking. |
2611 // Verify that it did not turn the page of the new node into an evacuation | 2611 // Verify that it did not turn the page of the new node into an evacuation |
2612 // candidate. | 2612 // candidate. |
2613 DCHECK(!MarkCompactCollector::IsOnEvacuationCandidate(new_node)); | 2613 DCHECK(!MarkCompactCollector::IsOnEvacuationCandidate(new_node)); |
2614 | 2614 |
2615 const size_t kThreshold = IncrementalMarking::kAllocatedThreshold; | 2615 const size_t kThreshold = IncrementalMarking::kAllocatedThreshold; |
2616 | 2616 |
2617 // Memory in the linear allocation area is counted as allocated. We may free | 2617 // Memory in the linear allocation area is counted as allocated. We may free |
2618 // a little of this again immediately - see below. | 2618 // a little of this again immediately - see below. |
2619 owner_->Allocate(static_cast<int>(new_node_size)); | 2619 owner_->AccountAllocatedBytes(new_node_size); |
2620 | 2620 |
2621 if (owner_->heap()->inline_allocation_disabled()) { | 2621 if (owner_->heap()->inline_allocation_disabled()) { |
2622 // Keep the linear allocation area empty if requested to do so, just | 2622 // Keep the linear allocation area empty if requested to do so, just |
2623 // return area back to the free list instead. | 2623 // return area back to the free list instead. |
2624 owner_->Free(new_node->address() + size_in_bytes, bytes_left); | 2624 owner_->Free(new_node->address() + size_in_bytes, bytes_left); |
2625 owner_->SetAllocationInfo(new_node->address() + size_in_bytes, | 2625 owner_->SetAllocationInfo(new_node->address() + size_in_bytes, |
2626 new_node->address() + size_in_bytes); | 2626 new_node->address() + size_in_bytes); |
2627 } else if (bytes_left > kThreshold && | 2627 } else if (bytes_left > kThreshold && |
2628 owner_->heap()->incremental_marking()->IsMarkingIncomplete() && | 2628 owner_->heap()->incremental_marking()->IsMarkingIncomplete() && |
2629 FLAG_incremental_marking) { | 2629 FLAG_incremental_marking) { |
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3002 heap()->fixed_array_map(); | 3002 heap()->fixed_array_map(); |
3003 reinterpret_cast<Object**>(object->address())[1] = Smi::kZero; | 3003 reinterpret_cast<Object**>(object->address())[1] = Smi::kZero; |
3004 } | 3004 } |
3005 | 3005 |
3006 heap()->StartIncrementalMarkingIfAllocationLimitIsReached(Heap::kNoGCFlags, | 3006 heap()->StartIncrementalMarkingIfAllocationLimitIsReached(Heap::kNoGCFlags, |
3007 kNoGCCallbackFlags); | 3007 kNoGCCallbackFlags); |
3008 AllocationStep(object->address(), object_size); | 3008 AllocationStep(object->address(), object_size); |
3009 | 3009 |
3010 if (heap()->incremental_marking()->black_allocation()) { | 3010 if (heap()->incremental_marking()->black_allocation()) { |
3011 Marking::MarkBlack(ObjectMarking::MarkBitFrom(object)); | 3011 Marking::MarkBlack(ObjectMarking::MarkBitFrom(object)); |
3012 MemoryChunk::IncrementLiveBytesFromGC(object, object_size); | 3012 MemoryChunk::IncrementLiveBytes(object, object_size); |
3013 } | 3013 } |
3014 return object; | 3014 return object; |
3015 } | 3015 } |
3016 | 3016 |
3017 | 3017 |
3018 size_t LargeObjectSpace::CommittedPhysicalMemory() { | 3018 size_t LargeObjectSpace::CommittedPhysicalMemory() { |
3019 // On a platform that provides lazy committing of memory, we over-account | 3019 // On a platform that provides lazy committing of memory, we over-account |
3020 // the actually committed memory. There is no easy way right now to support | 3020 // the actually committed memory. There is no easy way right now to support |
3021 // precise accounting of committed memory in large object space. | 3021 // precise accounting of committed memory in large object space. |
3022 return CommittedMemory(); | 3022 return CommittedMemory(); |
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3247 object->ShortPrint(); | 3247 object->ShortPrint(); |
3248 PrintF("\n"); | 3248 PrintF("\n"); |
3249 } | 3249 } |
3250 printf(" --------------------------------------\n"); | 3250 printf(" --------------------------------------\n"); |
3251 printf(" Marked: %x, LiveCount: %x\n", mark_size, LiveBytes()); | 3251 printf(" Marked: %x, LiveCount: %x\n", mark_size, LiveBytes()); |
3252 } | 3252 } |
3253 | 3253 |
3254 #endif // DEBUG | 3254 #endif // DEBUG |
3255 } // namespace internal | 3255 } // namespace internal |
3256 } // namespace v8 | 3256 } // namespace v8 |
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