On 7/7/21 12:30 PM, David Hildenbrand wrote:
On 23.06.21 12:12, Michal Privoznik wrote:
v4 of:
https://listman.redhat.com/archives/libvir-list/2021-April/msg01138.html
diff to v3: - Rebased code on the top of master - Tried to work in all Peter's review suggestions - Fixed a bug where adjusting <requested/> was viewed as hotplug of new <memory/> by XML validator and thus if <maxMemory/> was close enough to <currentMemory/> the validator reported an error (this was reported by David).
Hi Michal,
6. 4k source results in an error
<source> <pagesize unit='KiB'>4096</pagesize> <nodemask>0-1</nodemask> </source>
"error: internal error: Unable to find any usable hugetlbfs mount for 4096 KiB"
This example is taken from https://libvirt.org/formatdomain.html for DIMMs. Not sure what the expected behavior is.
Just realized that this IS expected behavior. 4096KiB pages (=4MiB) are not regular system pages (4KiB). Thus libvirt is trying to find hugetlbfs mount point that's serving 4MiB pages, unsuccessfully. I'll post a patch that fixes the example though. Michal