[Xen-devel] Re: [PATCH/RFC] memory_map + set_memmap_limit hypercall/domctl

[Glauber de Oliveira Costa <gcosta@xxxxxxxxxx>]

> The fallbacks in XENMEM_memory_map are pointless. Any stable Xen version
> that implements this hypercall will be matched with a corresponding new
> enough tool stack that sets memmap_limit. I think we should continue to
> ENOSYS if memmap_limit has not in fact been specified.
Done.
 
> The addition of 8MB slack is policy that doesn't belong in Xen. Stick it in
> the top-level caller (XendDomainInfo). In fact it probably belongs in the
> ImnageHandler in image.py, as it's more easily overridden on a per-arch and
> per-image-type basis there.

ImageHandler does not seem to be aware of any distinction between
current memory and the maximum memory a guest can get. Adding it seems
much more work than it requires, so I put it in XenDomainInfo. Is that
okay? 

Patch follows soon.


-- 
Glauber de Oliveira Costa
Red Hat Inc.
"Free as in Freedom"

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