MmReleaseResourceCharge

VOID __stdcall MmReleaseResourceCharge(UINT64 NumberOfPages, UINT64 ResourceFlags, _MM_CHARGE_COMPONENT Component){
  struct _KPRCB *CurrentPrcb; 
  unsigned __int64 v4; 
  __int64 CachedResidentAvailable; 
  bool v6; 
  signed __int32 v7; 
  signed __int32 v8; 

  if( (ResourceFlags & 2) == 0 )
    goto LABEL_2;
  if( Component )
  {
    if( Component != MmChargeRegistry )
      goto LABEL_2;
    CurrentPrcb = KeGetCurrentPrcb();
    v4 = NumberOfPages;
    CachedResidentAvailable = (int)CurrentPrcb->CachedResidentAvailable;
    if( (_DWORD)CachedResidentAvailable != -1 )
    {
      if( CachedResidentAvailable + NumberOfPages <= 0x100 )
      {
        do
        {
          if( NumberOfPages >= 0x80000 )
            break;
          v8 = _InterlockedCompareExchange(
                 (volatile signed __int32 *)&CurrentPrcb->CachedResidentAvailable,
                 CachedResidentAvailable + NumberOfPages,
                 CachedResidentAvailable);
          v6 = (_DWORD)CachedResidentAvailable == v8;
          LODWORD(CachedResidentAvailable) = v8;
          if( v6 )
            goto LABEL_2;
        }
        while( v8 != -1 && NumberOfPages + v8 <= 0x100 );
      }
      goto LABEL_11;
    }
  }
  else
  {
    CurrentPrcb = KeGetCurrentPrcb();
    v4 = NumberOfPages;
    CachedResidentAvailable = (int)CurrentPrcb->CachedResidentAvailable;
    if( (_DWORD)CachedResidentAvailable != -1 )
    {
      if( CachedResidentAvailable + NumberOfPages <= 0x100 )
      {
        do
        {
          if( NumberOfPages >= 0x80000 )
            break;
          v7 = _InterlockedCompareExchange(
                 (volatile signed __int32 *)&CurrentPrcb->CachedResidentAvailable,
                 CachedResidentAvailable + NumberOfPages,
                 CachedResidentAvailable);
          v6 = (_DWORD)CachedResidentAvailable == v7;
          LODWORD(CachedResidentAvailable) = v7;
          if( v6 )
            goto LABEL_2;
        }
        while( v7 != -1 && NumberOfPages + v7 <= 0x100 );
      }
LABEL_11:
      if( (int)CachedResidentAvailable > 192
        && (_DWORD)CachedResidentAvailable != -1
        && (_DWORD)CachedResidentAvailable == _InterlockedCompareExchange(
                                                (volatile signed __int32 *)&CurrentPrcb->CachedResidentAvailable,
                                                192,
                                                CachedResidentAvailable) )
      {
        v4 = NumberOfPages + (int)CachedResidentAvailable - 192;
      }
    }
  }
  if( v4 )
    _InterlockedExchangeAdd64((_QWORD *)&stru_140C50B28 + 883, v4);
LABEL_2:
  if( (ResourceFlags & 1) != 0 )
    MiReturnCommit(&Irp, NumberOfPages);
}

Referenced by: