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Re: [libvirt] [PATCH] add flag to enforce hugepage backing of guest RAM

On 02/04/2014 02:57 PM, Marcelo Tosatti wrote:
>> So perhaps we do need some "policy" attribute on the <hugepages/>
>> element to indicate desired behaviour here.
> What about the following new element under <hugepages/> ?
> enforce_hugepage_size=integer 

Which feels a bit redundant (we're already under the <hugepages>
element, after all).  Maybe:

  <size strict='yes' unit='G'>1</size>

where strict could be no if we are giving a hint but don't care if the
hint cannot be honored (default yes if omitted), and where unit + value
allows the user to input the size in a sensible unit (on output, we'd
probably want to use unit='k' and spell out 1048576, for similarity with
all our other memory interfaces that output in k for back-compat reasons).

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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