| Min version | 10 Pre RTM | 10 | |||
|---|---|---|---|---|---|
| Max version | 10 TH2 | ||||
| Architecture | x86 | x64 | x86 | x64 | |
| x86 offset offset:bitpos | Field Name | x64 offset offset:bitpos | |||
| 0x0000:0x00 | unsigned long MemoryCost | union _HEAP_VS_CHUNK_HEADER_SIZE Sizes | 0x0000:0x00 | ||
| 0x0000 | uint16_t KeyUShort | 0x0000 | |||
| 0x0000 | unsigned long KeyULong | 0x0000 | |||
| 0x0000 | uintptr_t HeaderBits | 0x0000 | |||
| 0x0000:0x01 | unsigned long UnsafeSize | 0x0000:0x10 | |||
| 0x0000:0x10 | unsigned long UnsafePrevSize | 0x0004:0x00 | |||
| 0x0000:0x1F | unsigned long Allocated | 0x0004:0x10 | |||
| 0x0004:0x00 | unsigned long SegmentPageOffset | unsigned long EncodedSegmentPageOffset | 0x0008:0x00 | ||
| 0x0004 | unsigned long AllocatedChunkBits | 0x0008 | |||
| 0x0004:0x08 | unsigned long UnusedBytes | 0x0008:0x08 | |||
| 0x0004:0x09 | unsigned long SkipDuringWalk | 0x0008:0x09 | |||
| 0x0004:0x0A | unsigned long Spare | 0x0008:0x0A | |||