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Issue 1025643002: Respect old space allocation limit in PagedSpace::AllocateRaw. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Allow nested AlwaysAllocateScopes Created 5 years, 9 months ago
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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/v8.h" 5 #include "src/v8.h"
6 6
7 #include "src/accessors.h" 7 #include "src/accessors.h"
8 #include "src/api.h" 8 #include "src/api.h"
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/base/once.h" 10 #include "src/base/once.h"
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1508 return NULL; 1508 return NULL;
1509 } 1509 }
1510 1510
1511 private: 1511 private:
1512 Heap* heap_; 1512 Heap* heap_;
1513 }; 1513 };
1514 1514
1515 1515
1516 void Heap::Scavenge() { 1516 void Heap::Scavenge() {
1517 RelocationLock relocation_lock(this); 1517 RelocationLock relocation_lock(this);
1518 // There are soft limits in the allocation code, designed to trigger a mark
1519 // sweep collection by failing allocations. There is no sense in trying to
1520 // trigger one during scavenge: scavenges allocation should always succeed.
1521 AlwaysAllocateScope scope(isolate());
1518 1522
1519 #ifdef VERIFY_HEAP 1523 #ifdef VERIFY_HEAP
1520 if (FLAG_verify_heap) VerifyNonPointerSpacePointers(this); 1524 if (FLAG_verify_heap) VerifyNonPointerSpacePointers(this);
1521 #endif 1525 #endif
1522 1526
1523 gc_state_ = SCAVENGE; 1527 gc_state_ = SCAVENGE;
1524 1528
1525 // Implements Cheney's copying algorithm 1529 // Implements Cheney's copying algorithm
1526 LOG(isolate_, ResourceEvent("scavenge", "begin")); 1530 LOG(isolate_, ResourceEvent("scavenge", "begin"));
1527 1531
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6384 static_cast<int>(object_sizes_last_time_[index])); 6388 static_cast<int>(object_sizes_last_time_[index]));
6385 CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT) 6389 CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT)
6386 #undef ADJUST_LAST_TIME_OBJECT_COUNT 6390 #undef ADJUST_LAST_TIME_OBJECT_COUNT
6387 6391
6388 MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_)); 6392 MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_));
6389 MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_)); 6393 MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_));
6390 ClearObjectStats(); 6394 ClearObjectStats();
6391 } 6395 }
6392 } 6396 }
6393 } // namespace v8::internal 6397 } // namespace v8::internal
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