task #29077503
commit b3fb6de7c6019c5d8495c3a115d42a0f118f631c upstream

Fixes: 5f1f79bbc9e2 ("virtio-mem: Paravirtualized memory hotplug")
Reported-by: Nkernel test robot <lkp@intel.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
Acked-by: NDavid Hildenbrand <david@redhat.com>
(cherry picked from ccommit b3fb6de7c6019c5d8495c3a115d42a0f118f631c)
Signed-off-by: NAlex Shi <alex.shi@linux.alibaba.com>
Reviewed-by: NXunlei Pang <xlpang@linux.alibaba.com>