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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
| 11 // with the distribution. | 11 // with the distribution. |
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| 64 | 64 |
| 65 // Delete all objects and free all memory allocated in the Zone. | 65 // Delete all objects and free all memory allocated in the Zone. |
| 66 static void DeleteAll(); | 66 static void DeleteAll(); |
| 67 | 67 |
| 68 // Returns true if more memory has been allocated in zones than | 68 // Returns true if more memory has been allocated in zones than |
| 69 // the limit allows. | 69 // the limit allows. |
| 70 static inline bool excess_allocation(); | 70 static inline bool excess_allocation(); |
| 71 | 71 |
| 72 static inline void adjust_segment_bytes_allocated(int delta); | 72 static inline void adjust_segment_bytes_allocated(int delta); |
| 73 | 73 |
| 74 static unsigned allocation_size_; |
| 75 |
| 74 private: | 76 private: |
| 75 | 77 |
| 76 // All pointers returned from New() have this alignment. | 78 // All pointers returned from New() have this alignment. |
| 77 static const int kAlignment = kPointerSize; | 79 static const int kAlignment = kPointerSize; |
| 78 | 80 |
| 79 // Never allocate segments smaller than this size in bytes. | 81 // Never allocate segments smaller than this size in bytes. |
| 80 static const int kMinimumSegmentSize = 8 * KB; | 82 static const int kMinimumSegmentSize = 8 * KB; |
| 81 | 83 |
| 82 // Never allocate segments larger than this size in bytes. | 84 // Never allocate segments larger than this size in bytes. |
| 83 static const int kMaximumSegmentSize = 1 * MB; | 85 static const int kMaximumSegmentSize = 1 * MB; |
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| 222 public: | 224 public: |
| 223 ZoneSplayTree() | 225 ZoneSplayTree() |
| 224 : SplayTree<Config, ZoneListAllocationPolicy>() {} | 226 : SplayTree<Config, ZoneListAllocationPolicy>() {} |
| 225 ~ZoneSplayTree(); | 227 ~ZoneSplayTree(); |
| 226 }; | 228 }; |
| 227 | 229 |
| 228 | 230 |
| 229 } } // namespace v8::internal | 231 } } // namespace v8::internal |
| 230 | 232 |
| 231 #endif // V8_ZONE_H_ | 233 #endif // V8_ZONE_H_ |
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