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  1. Core ReactOS
  2. CORE-4396

Maxmem option doesnt do anything

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Details

    • Bug
    • Resolution: Unresolved
    • Trivial
    • None
    • NTCore
    • None
    • Operating System: ReactOS
      Platform: x86 Hardware

    Description

      FreeLDR/NTOSKRNL is supposed to have the /MAXMEM option to limit the amount of system memory that FreeLDR and ReactOS see.

      My assumption is it needs to be entered in \FREELDR.INI in the option path of a specific startup, in the form of /MAXMEM=x

      {yyy}

      , without adding anything to it like K, M, G for units, and defaulting to MB.

      Thus, I modified the section [ReactOS_Debug]'s options:
      from : Options=/DEBUG /DEBUGPORT=COM1 /BAUDRATE=115200 /SOS
      into : Options=/DEBUG /DEBUGPORT=COM1 /BAUDRATE=115200 /SOS /MAXMEM=100

      However in both FreeLDR and ReactOS I still see 200MB (or rather 199, for some reason it's off by 1) listed.

      As I ran into paging file issues on large memory machines, I'd like to have this option working properly.

      Reproduction steps:
      1 Boot reactOS using the ReactOS (Debug) option
      2 Write down the amount of memory FreeLDR sees
      3 Write down the amount of memory ReactOS sees ( either system properties or CMD, then MEMORY
      4 modify C:\FREELDR.INI as mentioned above
      5 Reboot
      6 Perform steps 2 and 3
      7 Notice that the amounts are the same despite the /MAXMEM parameter.

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            Dates

              Created:
              Updated: