[libvirt-users] what is the xml fomat about memory-backend-file

[Eric Blake]

On 09/24/2014 02:05 AM, Linhaifeng wrote:
> Hi,
> 
> I want to use virsh to create a VM with the qemu parameter '-object memory-backend-file,id=mem,size=2048M,mem-path=/mnt/huge,share=on -numa node,memdev=mem'.

Looking at tests/qemuxml2argvdata/qemuxml2argv-hugepages-pages.args, I
see several instances of "-object memory-backend-file...", so look at
the counterpart .xml file for some examples:

  <memoryBacking>
    <hugepages>
      <page size='2048' unit='KiB' nodeset='1'/>
      <page size='1048576' unit='KiB' nodeset='0,2-3'/>
    </hugepages>
  </memoryBacking>


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

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