Index: sys/vm/vm_object.c
===================================================================
--- sys/vm/vm_object.c
+++ sys/vm/vm_object.c
@@ -2133,6 +2133,7 @@
 boolean_t
 vm_object_populate(vm_object_t object, vm_pindex_t start, vm_pindex_t end)
 {
+	struct pctrie_iter pages;
 	vm_page_t m;
 	vm_pindex_t pindex;
 	int rv;
@@ -2149,11 +2150,10 @@
 		 */
 	}
 	if (pindex > start) {
-		m = vm_page_lookup(object, start);
-		while (m != NULL && m->pindex < pindex) {
+		vm_page_iter_limit_init(&pages, object, pindex);
+		for (m = vm_radix_iter_lookup(&pages, start);
+		    m != NULL; m = vm_radix_iter_step(&pages))
 			vm_page_xunbusy(m);
-			m = TAILQ_NEXT(m, listq);
-		}
 	}
 	return (pindex == end);
 }