typedef struct _PTE_TRACKER
{
    LIST_ENTRY ListEntry;
    MDL *Mdl;
    unsigned __int64 Count;
    void *SystemVa;
    void *StartVa;
    unsigned long Offset;
    unsigned long Length;
    unsigned __int64 Page;
    unsigned long IoMapping : 1;
    unsigned long Matched : 1;
    unsigned long CacheAttribute : 2;
    unsigned long Spare : 28;
    void *CallingAddress;
    void *CallersCaller;
} PTE_TRACKER, *PPTE_TRACKER;