Index: sys/vm/vm_page.c
===================================================================
--- sys/vm/vm_page.c
+++ sys/vm/vm_page.c
@@ -1371,7 +1371,7 @@
 
 	KASSERT(vm_page_none_valid(m), ("page %p is valid", m));
 	KASSERT(!pmap_page_is_mapped(m), ("page %p is mapped", m));
-	vm_page_assert_xbusied(m);
+	vm_page_assert_xbusied_unchecked(m);
 	KASSERT(m->object != NULL, ("page %p has no object", m));
 	VM_OBJECT_ASSERT_WLOCKED(m->object);