Function pmap_ts_referenced

freebsd/mips/mips/pmap.c:3004–3017

* pmap_ts_referenced: * * Return the count of reference bits for a page, clearing all of them. */

 *	Return the count of reference bits for a page, clearing all of them.
 */
int
pmap_ts_referenced(vm_page_t m)
{

	KASSERT((m->oflags & VPO_UNMANAGED) == 0,
	    ("pmap_ts_referenced: page %p is not managed", m));
	if (m->md.pv_flags & PV_TABLE_REF) {
		rw_wlock(&pvh_global_lock);
		m->md.pv_flags &= ~PV_TABLE_REF;
		rw_wunlock(&pvh_global_lock);
		return (1);
	}
	return (0);
}

/*
 *	pmap_is_modified: