"David Hildenbrand (Red Hat)" <[email protected]> writes: >>> >>> Right. Let me give it a try first with pseries Qemu. Otherwise I have an >>> access to pseries LPAR too. I can verify it there. >> >> Ah, now I realize my problem: I tried with Fedora 43 in a powerpc VM but >> the modprobe didn't do anything. >> >> Looking again: >> >> # grep CONFIG_CMM /boot/config-6.17.1-300.fc43.ppc64le >> CONFIG_CMM=y >> >> So modprob'ing won't do as the module is built in. > > Right, so doing "cmm.simulate=1" on the cmdline in a Fedora 43 VMs > properly creates the CMM device. >
Right verifying using simulate mode is very straightforward. Thanks for that! So.. using various random echo X > simulate_loan_target_kb on a VM... ~# cat /proc/vmstat |grep balloon nr_balloon_pages 16 balloon_inflate 1638 balloon_deflate 1622 balloon_migrate 4 -ritesh
