MiAdjustModifiedPageLoad

VOID __stdcall MiAdjustModifiedPageLoad(_MI_PARTITION *Partition, UINT64 AvailableAverage, UINT64 SecondCounter){
  unsigned __int64 TotalPagesForPagingFile; 
  volatile unsigned __int64 v5; 
  char v7; 
  volatile unsigned __int64 v8; 
  unsigned __int64 v9; 
  unsigned __int64 v10; 
  UINT64 v11; 
  unsigned __int64 v12; 
  int v13; 
  volatile unsigned int NumberOfPagingFiles; 
  _MMPAGING_FILE **PagingFile; 
  __int64 v16; 
  _MMPAGING_FILE *v17; 
  unsigned __int64 v18; 
  unsigned __int64 v19; 
  unsigned __int64 v20; 
  __int64 PagesLoad; 
  signed __int64 v22; 
  __int64 v23; 
  unsigned __int64 v24; 
  __int64 v25; 
  INT64 v26; 
  INT64 v27; 
  char bf_cc_high; 
  int v29[8]; 
  INT64 v30; 

  TotalPagesForPagingFile = Partition->Vp.TotalPagesForPagingFile;
  v5 = 0x4000i64;
  if( Partition->Vp.AvailablePages >> 5 > 0x4000 )
    v5 = Partition->Vp.AvailablePages >> 5;
  v7 = SecondCounter;
  v8 = Partition->Vp.AvailablePages >> 4;
  if( v8 >= v5 )
    v8 = v5;
  v9 = Partition->PageLists.ZeroedPageListHead.Total + Partition->PageLists.FreePageListHead.Total;
  v10 = *((_QWORD *)Partition->WorkingSetControl + 298);
  v11 = 0i64;
  v12 = 20000i64;
  if( v10 > 0x4E20 )
    v12 = v10;
  if( v9 > v12 && TotalPagesForPagingFile < v9 / 0xA )
    goto LABEL_9;
  if( TotalPagesForPagingFile >= v8 )
  {
    v11 = v8 >> 1;
LABEL_36:
    if( !MiUseLowIoPriorityForModifiedPages(Partition) )
      v11 = -1i64;
    MiWakeModifiedPageWriter(Partition, v11, v26, v27, v30);
    Partition->Modwriter.ModWriteData.PagesLoad = 0i64;
    Partition->Modwriter.ModWriteData.PagesAverage = 0i64;
    goto LABEL_9;
  }
  v19 = 15 * (Partition->Modwriter.ModWriteData.PagesAverage >> 4);
  v20 = v19 + (TotalPagesForPagingFile >> 4);
  Partition->Modwriter.ModWriteData.PagesAverage = v20;
  if( v19 > v20 )
    goto LABEL_36;
  if( TotalPagesForPagingFile < 0x320 )
  {
    Partition->Modwriter.ModWriteData.PagesLoad = 0i64;
    goto LABEL_9;
  }
  PagesLoad = Partition->Modwriter.ModWriteData.PagesLoad;
  v22 = v20 <= TotalPagesForPagingFile ? v20 - TotalPagesForPagingFile + PagesLoad : TotalPagesForPagingFile
                                                                                   + PagesLoad
                                                                                   - v20;
  v23 = v22 + TotalPagesForPagingFile;
  Partition->Modwriter.ModWriteData.PagesLoad = v22 + TotalPagesForPagingFile;
  if( v22 > (__int64)(v22 + TotalPagesForPagingFile) )
    goto LABEL_36;
  v24 = v8 >> 1;
  v25 = 0x7FFFFFFFFFFFFFFFi64;
  if( v24 < 0x369D0369D0369Di64 )
    v25 = 600 * v24;
  if( v23 >= v25 )
    goto LABEL_36;
LABEL_9:
  Partition->Modwriter.ModWriteData.AverageAvailablePages = AvailableAverage;
  if( (v7 & 7) == 0 )
  {
    v13 = 0;
    if( (Partition->Modwriter.ModWriteData._bf_3c & 1) != 0 )
    {
      _InterlockedOr(v29, 0);
      if( AvailableAverage > 0x4000
        || KiQueryUnbiasedInterruptTime(1u) - Partition->Modwriter.ModWriteData.IgnoreReservationsStartTime >= 0x47868C00 )
      {
        v13 = 1;
        Partition->Modwriter.ModWriteData._bf_3c &= ~1u;
      }
    }
    NumberOfPagingFiles = Partition->Vp.NumberOfPagingFiles;
    if( NumberOfPagingFiles )
    {
      PagingFile = Partition->Vp.PagingFile;
      v16 = NumberOfPagingFiles;
      do
      {
        v17 = *PagingFile;
        if( ((*PagingFile)->_bf_cc & 0x40) == 0 )
        {
          v18 = (unsigned __int8)ExAcquireSpinLockExclusive((INT64 *)&v17->SpinLock);
          if( v17->LastRefreshAllocationCluster != v17->RefreshAllocationCluster )
            v17->LargestAllocationCluster = MaxIoSize;
          v17->ReservedClusterSizeAggregate = 4 * MaxIoSize;
          if( v13 )
          {
            bf_cc_high = HIBYTE(v17->_bf_cc);
            if( (bf_cc_high & 1) != 0 )
              HIBYTE(v17->_bf_cc) = bf_cc_high & 0xFE;
          }
          ExReleaseSpinLockExclusiveFromDpcLevel((INT64 *)&v17->SpinLock);
          __writecr8(v18);
        }
        ++PagingFile;
        --v16;
      }
      while( v16 );
    }
    if( v13 )
      MiUpdateReserveClusterInfo(Partition, 0i64, 0i64);
  }
  if( Partition->Store.Registered )
    MiStoreUpdateMemoryConditions(Partition);
}

Referenced by: