MiGetCrossPartitionCombineCharges

NTSTATUS __stdcall MiGetCrossPartitionCombineCharges(_MI_PARTITION *Partition, INT64 a2){
  int v2; 
  unsigned __int64 v4; 
  int v5; 
  struct _KPRCB *CurrentPrcb; 
  __int64 CachedResidentAvailable; 
  bool v8; 
  signed __int32 v9; 

  v2 = a2;
  v4 = 1i64;
  if( (_DWORD)a2 )
  {
    MiAcquireNonPagedResources(Partition, 1ui64);
    if( v5 < 0 )
      return 0;
  }
  if( MiGetCrossPartitionCharges((_MI_CROSS_PARTITION_CHARGES *)Partition, 2ui64, 1i64) < 0 )
  {
    if( v2 )
    {
      MiReturnCommit(Partition, 1ui64);
      if( Partition != &Irp )
        goto LABEL_16;
      CurrentPrcb = KeGetCurrentPrcb();
      CachedResidentAvailable = (int)CurrentPrcb->CachedResidentAvailable;
      if( (_DWORD)CachedResidentAvailable == -1 )
        goto LABEL_16;
      if( (unsigned __int64)(CachedResidentAvailable + 1) <= 0x100 )
      {
        do
        {
          v9 = _InterlockedCompareExchange(
                 (volatile signed __int32 *)&CurrentPrcb->CachedResidentAvailable,
                 CachedResidentAvailable + 1,
                 CachedResidentAvailable);
          v8 = (_DWORD)CachedResidentAvailable == v9;
          LODWORD(CachedResidentAvailable) = v9;
          if( v8 )
            return 0;
        }
        while( v9 != -1 && (unsigned __int64)(v9 + 1i64) <= 0x100 );
      }
      if( (int)CachedResidentAvailable > 192
        && (_DWORD)CachedResidentAvailable != -1
        && (_DWORD)CachedResidentAvailable == _InterlockedCompareExchange(
                                                (volatile signed __int32 *)&CurrentPrcb->CachedResidentAvailable,
                                                192,
                                                CachedResidentAvailable) )
      {
        v4 = (int)CachedResidentAvailable - 192 + 1i64;
      }
      if( v4 )
LABEL_16:
        _InterlockedExchangeAdd64((volatile signed __int64 *)&Partition->Vp.ResidentAvailablePages, v4);
    }
    return 0;
  }
  return 1;
}

Referenced by: