MmReleaseResourceCharge

VOID __fastcall MmReleaseResourceCharge(UINT64 a1, CHAR a2, INT64 a3){
  struct _KPRCB *CurrentPrcb; 
  unsigned __int64 v4; 
  __int64 v5; 
  bool v6; 
  signed __int32 v7; 
  signed __int32 v8; 
  if( (a2 & 2) == 0 )
    goto LABEL_2;
  if( (_DWORD)a3 )
  {
    if( (_DWORD)a3 != 1 )
      goto LABEL_2;
    CurrentPrcb = KeGetCurrentPrcb();
    v4 = a1;
    v5 = *((int *)CurrentPrcb + 8391);
    if( (_DWORD)v5 != -1 )
    {
      if( v5 + a1 <= 0x100 )
      {
        do
        {
          if( a1 >= 0x80000 )
            break;
          v8 = _InterlockedCompareExchange((volatile signed __int32 *)CurrentPrcb + 8391, v5 + a1, v5);
          v6 = (_DWORD)v5 == v8;
          LODWORD(v5) = v8;
          if( v6 )
            goto LABEL_2;
        }
        while( v8 != -1 && a1 + v8 <= 0x100 );
      }
      goto LABEL_11;
    }
  }
  else
  {
    CurrentPrcb = KeGetCurrentPrcb();
    v4 = a1;
    v5 = *((int *)CurrentPrcb + 8391);
    if( (_DWORD)v5 != -1 )
    {
      if( v5 + a1 <= 0x100 )
      {
        do
        {
          if( a1 >= 0x80000 )
            break;
          v7 = _InterlockedCompareExchange((volatile signed __int32 *)CurrentPrcb + 8391, v5 + a1, v5);
          v6 = (_DWORD)v5 == v7;
          LODWORD(v5) = v7;
          if( v6 )
            goto LABEL_2;
        }
        while( v7 != -1 && a1 + v7 <= 0x100 );
      }
LABEL_11:
      if( (int)v5 > 192
        && (_DWORD)v5 != -1
        && (_DWORD)v5 == _InterlockedCompareExchange((volatile signed __int32 *)CurrentPrcb + 8391, 192, v5) )
      {
        v4 = a1 + (int)v5 - 192;
      }
    }
  }
  if( v4 )
    _InterlockedExchangeAdd64(&qword_140C526C0, v4);
LABEL_2:
  if( (a2 & 1) != 0 )
    MiReturnCommit((_MI_PARTITION *)&MiSystemPartition, a1);
}

Referenced by: