MiObtainSystemVa

UINT64 __fastcall MiObtainSystemVa(INT64 a1, INT64 a2){
  INT64 *v2; 
  unsigned int v3; 
  unsigned int v4; 
  v2 = MiSystemVaToDynamicBitmap((unsigned int)a2);
  return MiObtainDynamicVa(v2, v4, v3);
}

Referenced by:

MiExpandPtes
MiExpandSystemCache
MiGetPageTablesForLargeMap
MiInitializeSystemPtes
MiMapBBTMemory
MiReserveDriverPtes
MiReservePoolMemory