Index: head/sys/vm/vm_pageout.c
===================================================================
--- head/sys/vm/vm_pageout.c
+++ head/sys/vm/vm_pageout.c
@@ -1935,6 +1935,7 @@
 	int i;
 
 	swap_pager_swap_init();
+	snprintf(curthread->td_name, sizeof(curthread->td_name), "dom0");
 	error = kthread_add(vm_pageout_laundry_worker, NULL, curproc, NULL,
 	    0, 0, "laundry: dom0");
 	if (error != 0)