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xen-devel
Re: [Xen-devel] bring up Hypervisor on large (512GB) memory
On 10/02/2009 03:08, "Mukesh Rathor" <mukesh.rathor@xxxxxxxxxx> wrote:
> The only solution I can think of is moving the bitmap elsewhere, above 4GB in
> this case:
> figure the size of bitmap, DIRECT map space, allocate the map,
> mark it reserved in the RAM map, and should work!
>
> I'd have add a loop around init_boot_allocator() in __start_xen()
> iterating thru the RAM map again, and finding space above 16M.
>
> Am I on the right track?
A 512GB system still needs only 16MB of allocator bitmap. There's no need
for a complicated solution, moving it above 4GB or anything.
I've actually broken xen-unstable and forgotten to account for the allocator
bitmap overhead when I relocate Xen. I will fix that, and properly account
for the bitmap overhead rather than add a fixed overhead (which is probably
what breaks you on 3.1.4). I'll let you know when that's done.
-- Keir
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