MiChargeForWriteInProgressPage

_MI_RESAVAIL_CHARGE __stdcall MiChargeForWriteInProgressPage(_MI_PARTITION *Partition, UINT64 Flags){
  char v2; 
  unsigned __int64 v3; 
  unsigned int v5; 
  _MI_RESAVAIL_CHARGE v6; 
  struct _KPRCB *CurrentPrcb; 
  __int64 CachedResidentAvailable; 
  bool v10; 
  signed __int32 v11; 

  v2 = Flags;
  v3 = 1i64;
  v5 = (Flags & 2) != 0 ? 0xFFFFFFFC : 0;
  v6 = MiChargeResident((ULONG_PTR *)&Partition->Core.PartitionId, 1ui64, (unsigned int)-((Flags & 2) != 0));
  if( v6 )
  {
    if( (v2 & 1) == 0 || MiChargeCommit(Partition, 1ui64, v5 + 8) )
      return v6;
    if( Partition != &Irp )
      goto LABEL_17;
    CurrentPrcb = KeGetCurrentPrcb();
    CachedResidentAvailable = (int)CurrentPrcb->CachedResidentAvailable;
    if( (_DWORD)CachedResidentAvailable == -1 )
      goto LABEL_17;
    if( (unsigned __int64)(CachedResidentAvailable + 1) <= 0x100 )
    {
      do
      {
        v11 = _InterlockedCompareExchange(
                (volatile signed __int32 *)&CurrentPrcb->CachedResidentAvailable,
                CachedResidentAvailable + 1,
                CachedResidentAvailable);
        v10 = (_DWORD)CachedResidentAvailable == v11;
        LODWORD(CachedResidentAvailable) = v11;
        if( v10 )
          return 0;
      }
      while( v11 != -1 && (unsigned __int64)(v11 + 1i64) <= 0x100 );
    }
    if( (int)CachedResidentAvailable > 192
      && (_DWORD)CachedResidentAvailable != -1
      && (_DWORD)CachedResidentAvailable == _InterlockedCompareExchange(
                                              (volatile signed __int32 *)&CurrentPrcb->CachedResidentAvailable,
                                              192,
                                              CachedResidentAvailable) )
    {
      v3 = (int)CachedResidentAvailable - 192 + 1i64;
    }
    if( v3 )
LABEL_17:
      _InterlockedExchangeAdd64((volatile signed __int64 *)&Partition->Vp.ResidentAvailablePages, v3);
  }
  return 0;
}

Referenced by: