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    SubjectRe: Finding lost memory + kernel messages explained
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    Imre Gergely <gimre@narancs.net> writes:
    >
    > That would be around 3896MB. My question is: where does the memory go?
    > Is it normal to 'lose' that much (~130MB) ?

    I wrote a paper about this topic some time ago.

    http://halobates.de/memory.pdf
    http://halobates.de/memorywaste.pdf

    > One thing I tried was appending iommu=off at boot, which gave me back

    That means if you have any devices that cannot addresses > 32bit they
    will panic with that setting.

    -Andi

    --
    ak@linux.intel.com -- Speaking for myself only.


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