MiPersistMemory

VOID __stdcall MiPersistMemory(_XSTATE_FEATURE *a1, _XSTATE_CONFIGURATION *a2){
  if( ((unsigned __int64)KeFeatureBits & 0x1000000000i64) != 0 )
    KePersistMemory((INT64)a1, (INT64)a2);
  else
    KeInvalidateRangeAllCaches(a1, (UINT64)a2);
}

Referenced by:

MiFlushFileOnlyMdl
MiPersistPage