MiSetPfnPageState

VOID __fastcall MiSetPfnPageState(INT64 a1, CHAR a2){
  *(_BYTE *)(a1 + 34) ^= (*(_BYTE *)(a1 + 34) ^ a2) & 7;
}

Referenced by:

MiDemotePfnListChain
MiFreeLargePageMemory
MiFreeSlabEntry
MiInsertLargePageChain
MiMakeLargePageTable
MiUnlinkNodeLargePageHelper