David Hildenbrand <da...@redhat.com> wrote: > "prealloc=on" for the memory backend does not work as expected, as > virtio-mem will simply discard all preallocated memory immediately again. > In the best case, it's an expensive NOP. In the worst case, it's an > unexpected allocation error. > > Instead, "prealloc=on" should be specified for the virtio-mem device only, > such that virtio-mem will try preallocating memory before plugging > memory dynamically to the guest. Fail if such a memory backend is > provided. > > Tested-by: Michal Privoznik <mpriv...@redhat.com> > Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com> > Signed-off-by: David Hildenbrand <da...@redhat.com>
Reviewed-by: Juan Quintela <quint...@redhat.com>