Messages in this thread | | | Subject | Re: Finding lost memory + kernel messages explained | From | Andi Kleen <> | Date | Thu, 09 Apr 2009 12:31:27 +0200 |
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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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