MiFreeListPageContentsChanged

VOID __stdcall MiFreeListPageContentsChanged(UINT64 a1){
  UINT64 v2; 
  _MMPFN *PfnDb; 
  INT64 v4; 
  __int64 v5; 
  int v6; 
  __int64 v7; 
  __int64 v8; 
  UINT64 v9; 
  unsigned __int64 v10; 
  volatile signed __int32 *v11; 
  int v12; 
  unsigned __int64 v13; 
  _KLOCK_QUEUE_HANDLE LockQueue; 

  *(_QWORD *)&LockQueue.OldIrql = 0i64;
  v2 = a1;
  PfnDb = MmGetPfnDb();
  v4 = (INT64)&PfnDb[v2];
  LODWORD(v5) = MiSearchNumaNodeTable((PVOID)((v4 - (__int64)PfnDb) / 48));
  v6 = *(_DWORD *)(v5 + 8);
  v7 = (MiGetPfnChannel(v4) << *(&stru_140C4DB30 + 157)) | *(&stru_140C4DB30 + 66) & (unsigned int)a1 | (v6 << *(&stru_140C4DB30 + 156));
  v8 = *(_QWORD *)(*(_QWORD *)(*(&stru_140C4DB30 + 267) + 8 * ((*(_QWORD *)(v4 + 40) >> 39) & 0x3FFi64)) + 2184i64);
  LockQueue.LockQueue.Next = 0i64;
  LockQueue.LockQueue.Lock = (unsigned __int64 *volatile)(v8 + 8 * (v7 + 4 * (v7 + 1)));
  KxAcquireQueuedSpinLock(&LockQueue.LockQueue, LockQueue.LockQueue.Lock);
  if( *(&stru_140C4DB30 + 567) == 1 )
  {
    v9 = a1 & 0x1F;
    LOBYTE(v10) = 1;
    v11 = (volatile signed __int32 *)(*(&stru_140C4DB30 + 295) + 4 * (a1 >> 5));
    if( v9 + 1 > 0x20 )
    {
      if( (a1 & 0x1F) == 0 )
        goto LABEL_9;
      v12 = a1 & 0x1F;
      _InterlockedOr(v11++, ((1 << (32 - v12)) - 1) << v9);
      v10 = 1i64 - (unsigned int)(32 - v12);
      if( v10 >= 0x20 )
      {
        v13 = v10 >> 5;
        v10 += -32i64 * (v10 >> 5);
        do
        {
          *v11++ = -1;
          --v13;
        }
        while( v13 );
      }
      if( v10 )
LABEL_9:
        _InterlockedOr(v11, (1 << v10) - 1);
    }
    else
    {
      _InterlockedOr(v11, 1 << v9);
    }
  }
  KeReleaseInStackQueuedSpinLockFromDpcLevel(&LockQueue);
}

Referenced by: