tests: Enable hugepages for test_vfio_user
This is will fix a warning reported from the SPDK/NVMe backend when the
memory address is not 2M aligned.
@@ -5782,7 +5782,7 @@ mod parallel {
let mut child = GuestCommand::new(&guest)
.args(&["--api-socket", &api_socket])
.args(&["--cpus", "boot=1"])
- .args(&["--memory", "size=512M,shared=on"])
+ .args(&["--memory", "size=512M,shared=on,hugepages=on"])
.args(&["--kernel", fw_path(FwType::RustHypervisorFirmware).as_str()])
.default_disks()
.default_net()
