MiAllocateInPageSupportBlock

VOID *__stdcall MiAllocateInPageSupportBlock(INT64 a1, UINT64 a2){
  return MiAllocatePool(
           64i64,
           (unsigned int)a2 * ((-(__int64)((_DWORD)a1 != 0) & 0xFFFFFFFFFFFFF880ui64) + 2368),
           0x6E496D4Dui64);
}

Referenced by:

MiGetInPageSupportBlock
MiInitializePageFaultResources