Re: [libvirt] Problem with setting up KVM guests to use HugePages

Kashyap Chamarthy <kchamart <at> redhat.com> writes: > You might want re-test by explicitly setting the 'page' element and > 'size' attribute? From my test, I had something like this: > > $ virsh dumpxml f21-vm | grep hugepages -B3 -A2 > <memory unit='KiB'>2000896</memory> > <currentMemory unit='KiB'>2000000</currentMemory> > <memoryBacking> > <hugepages> > <page size='2048' unit='KiB' nodeset='0'/> > </hugepages> > </memoryBacking> > <vcpu placement='static'>8</vcpu> > > I haven't tested this exhaustively, but some basic test notes here: > > https://kashyapc.fedorapeople.org/virt/test-hugepages-with-libvirt.txt Current QEMU does not support setting <page> element. Could it be the cause of my aforementioned problem? unsupported configuration: huge pages per NUMA node are not supported with this QEMU