/* * uvm_page_unbusy: unbusy an array of pages. * * => pages must either all belong to the same object, or all belong to anons. * => if pages are object-owned, object must be locked. * => if pages are anon-owned, anons must be locked. * => caller must lock page queues if pages may be released. * => caller must make sure that anon-owned pages are not PG_RELEASED. */