| Min version | 10 Pre RTM |
|---|---|
| Max version | 10 TH2 |
| x64 offset offset:bitpos | Field Name |
| 0x0000 | struct _RTL_SRWLOCK Lock |
| 0x0008 | struct _RTL_RB_TREE FreeChunkTree |
| 0x0018 | struct _LIST_ENTRY SubsegmentList |
| 0x0028 | uint64_t TotalCommittedUnits |
| 0x0030 | uint64_t FreeCommittedUnits |
| 0x0038 | void * BackendCtx |
| 0x0040 | struct _HEAP_SUBALLOCATOR_CALLBACKS Callbacks |