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| 1 /* | 1 /* |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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| 31 #ifndef HeapPage_h | 31 #ifndef HeapPage_h |
| 32 #define HeapPage_h | 32 #define HeapPage_h |
| 33 | 33 |
| 34 #include <stdint.h> | 34 #include <stdint.h> |
| 35 #include "base/trace_event/memory_allocator_dump.h" | 35 #include "base/trace_event/memory_allocator_dump.h" |
| 36 #include "platform/PlatformExport.h" | 36 #include "platform/PlatformExport.h" |
| 37 #include "platform/heap/BlinkGC.h" | 37 #include "platform/heap/BlinkGC.h" |
| 38 #include "platform/heap/GCInfo.h" | 38 #include "platform/heap/GCInfo.h" |
| 39 #include "platform/heap/ThreadState.h" | 39 #include "platform/heap/ThreadState.h" |
| 40 #include "platform/heap/Visitor.h" | 40 #include "platform/heap/Visitor.h" |
| 41 #include "wtf/AddressSanitizer.h" | 41 #include "platform/wtf/AddressSanitizer.h" |
| 42 #include "wtf/Allocator.h" | 42 #include "platform/wtf/Allocator.h" |
| 43 #include "wtf/Assertions.h" | 43 #include "platform/wtf/Assertions.h" |
| 44 #include "wtf/ContainerAnnotations.h" | 44 #include "platform/wtf/ContainerAnnotations.h" |
| 45 #include "wtf/Forward.h" | 45 #include "platform/wtf/Forward.h" |
| 46 #include "wtf/allocator/Partitions.h" | 46 #include "platform/wtf/allocator/Partitions.h" |
| 47 | 47 |
| 48 namespace blink { | 48 namespace blink { |
| 49 | 49 |
| 50 const size_t blinkPageSizeLog2 = 17; | 50 const size_t blinkPageSizeLog2 = 17; |
| 51 const size_t blinkPageSize = 1 << blinkPageSizeLog2; | 51 const size_t blinkPageSize = 1 << blinkPageSizeLog2; |
| 52 const size_t blinkPageOffsetMask = blinkPageSize - 1; | 52 const size_t blinkPageOffsetMask = blinkPageSize - 1; |
| 53 const size_t blinkPageBaseMask = ~blinkPageOffsetMask; | 53 const size_t blinkPageBaseMask = ~blinkPageOffsetMask; |
| 54 | 54 |
| 55 // We allocate pages at random addresses but in groups of | 55 // We allocate pages at random addresses but in groups of |
| 56 // blinkPagesPerRegion at a given random address. We group pages to | 56 // blinkPagesPerRegion at a given random address. We group pages to |
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| 992 return outOfLineAllocate(allocationSize, gcInfoIndex); | 992 return outOfLineAllocate(allocationSize, gcInfoIndex); |
| 993 } | 993 } |
| 994 | 994 |
| 995 inline NormalPageArena* NormalPage::arenaForNormalPage() const { | 995 inline NormalPageArena* NormalPage::arenaForNormalPage() const { |
| 996 return static_cast<NormalPageArena*>(arena()); | 996 return static_cast<NormalPageArena*>(arena()); |
| 997 } | 997 } |
| 998 | 998 |
| 999 } // namespace blink | 999 } // namespace blink |
| 1000 | 1000 |
| 1001 #endif // HeapPage_h | 1001 #endif // HeapPage_h |
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