RAM size and Lost RAM! - Embedded

This is a discussion on RAM size and Lost RAM! - Embedded ; Hi all, I'm running an embedded linux with kernel 2.4.21 on a AU1000 (AMD processor with MIPS architecture) My board comes with 16M of RAM, but I see: # cat /proc/meminfo total: used: free: shared: buffers: cached: Mem: 13611008 8622080 ...

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Thread: RAM size and Lost RAM!

  1. RAM size and Lost RAM!

    Hi all,

    I'm running an embedded linux with kernel 2.4.21 on
    a AU1000 (AMD processor with MIPS architecture)
    My board comes with 16M of RAM, but I see:

    # cat /proc/meminfo
    total: used: free: shared: buffers: cached:
    Mem: 13611008 8622080 4988928 0 0 3948544
    Swap: 0 0 0
    MemTotal: 13292 kB
    MemFree: 4872 kB
    MemShared: 0 kB
    Buffers: 0 kB
    Cached: 3856 kB
    SwapCached: 0 kB
    Active: 1060 kB
    Inactive: 3864 kB
    HighTotal: 0 kB
    HighFree: 0 kB
    LowTotal: 13292 kB
    LowFree: 4872 kB
    SwapTotal: 0 kB
    SwapFree: 0 kB


    Any idea of where are the 2.5M of missing RAM: are they
    silently used by kernel, of did I misconfigure something?

    in my PC, 512M RAM I see
    [giammy@pgr12 ~]$ cat /proc/meminfo
    MemTotal: 514664 kB
    ....

    This made me suspect I'm missing osmethin in the AMD :-(

    thanx
    giammy


  2. Re: RAM size and Lost RAM!

    On Fri, 15 Jul 2005 02:06:54 -0700, giangiammy@yahoo.com wrote:

    > Hi all,
    >
    > I'm running an embedded linux with kernel 2.4.21 on
    > a AU1000 (AMD processor with MIPS architecture)
    > My board comes with 16M of RAM, but I see:
    >
    > # cat /proc/meminfo
    > total: used: free: shared: buffers: cached:
    > Mem: 13611008 8622080 4988928 0 0 3948544
    > This made me suspect I'm missing osmethin in the AMD :-(
    >
    > thanx
    > giammy


    I don't know this board. But if it is a board with onboard graphic with
    shared ram. It could be the videoram that you are missing.

    --
    / Peter Andersen
    / Skanderborg


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