| Min version | 10 Pre RTM |
|---|---|
| Max version | 10 TH2 |
| x86 offset offset:bitpos | Field Name |
| 0x0000 | struct _RTL_SRWLOCK Lock |
| 0x0004 | struct _RTL_RB_TREE FreeChunkTree |
| 0x000C | struct _LIST_ENTRY SubsegmentList |
| 0x0014 | unsigned long TotalCommittedUnits |
| 0x0018 | unsigned long FreeCommittedUnits |
| 0x001C | void * BackendCtx |
| 0x0020 | struct _HEAP_SUBALLOCATOR_CALLBACKS Callbacks |