More RAM than MemTotal

More RAM than MemTotal

Nadav Har'El nyh at math.technion.ac.il
Wed Mar 28 14:48:47 IST 2012


On Wed, Mar 28, 2012, Baruch Siach wrote about "Re: More RAM than MemTotal":
> The (huge) "absent" figure comes from absent_pages_in_range() in 
> mm/page_alloc.c which, according to the comment there "returns number of page 
> frames in holes" within the entire RAM. I'm not sure what that means exactly.

Check out http://en.wikipedia.org/wiki/PCI_hole

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Nadav Har'El                        |                 Wednesday, Mar 28 2012, 
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