unsigned int nr_free_highpages (void)
{
- pg_data_t *pgdat;
+ struct zone *zone;
unsigned int pages = 0;
- for_each_online_pgdat(pgdat) {
- pages += zone_page_state(&pgdat->node_zones[ZONE_HIGHMEM],
- NR_FREE_PAGES);
- if (zone_movable_is_highmem())
- pages += zone_page_state(
- &pgdat->node_zones[ZONE_MOVABLE],
- NR_FREE_PAGES);
+ for_each_populated_zone(zone) {
+ if (is_highmem(zone))
+ pages += zone_page_state(zone, NR_FREE_PAGES);
}
return pages;