Re: [Xen-devel] stable format of e820map for HVM domU's ?

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 11/8/06 3:30 pm, "Andrew D. Ball" <aball@xxxxxxxxxx> wrote:

> What's the least likely to change way to get what I want out of here?
> 
> In this case, the type 17 entry's ending address is the capacity.  Can I
> always ignore the last 3 entries?  Should I use the type 17 entry as the
> last pseudo-physical one?  Some other way?

Scan the table and sum the 'usable' (i.e. E820_RAM) areas. It might change a
little bit in future, according to size of BIOS areas for example, but is
about as good a value as you're going to get.

How accurate do you think this number needs to be? Do you have some
dependency on its accuracy?

 -- Keir



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