typedef struct _MMBANKED_SECTION
{
     ULONG BasePhysicalPage;
     PMMPTE BasedPte;
     ULONG BankSize;
     ULONG BankShift;
     PVOID BankedRoutine;
     PVOID Context;
     PMMPTE CurrentMappedPte;
     MMPTE BankTemplate[1];
} MMBANKED_SECTION, *PMMBANKED_SECTION;

Windows Vista Kernel Structures