14 	struct zone *zone;  in set_migratetype_isolate()  local
20 	zone = page_zone(page);  in set_migratetype_isolate()
22 	spin_lock_irqsave(&zone->lock, flags);  in set_migratetype_isolate()
48 	if (!has_unmovable_pages(zone, page, arg.pages_found,  in set_migratetype_isolate()
63 		zone->nr_isolate_pageblock++;  in set_migratetype_isolate()
64 		nr_pages = move_freepages_block(zone, page, MIGRATE_ISOLATE);  in set_migratetype_isolate()
66 		__mod_zone_freepage_state(zone, -nr_pages, migratetype);  in set_migratetype_isolate()
69 	spin_unlock_irqrestore(&zone->lock, flags);  in set_migratetype_isolate()
77 	struct zone *zone;  in unset_migratetype_isolate()  local
84 	zone = page_zone(page);  in unset_migratetype_isolate()
85 	spin_lock_irqsave(&zone->lock, flags);  in unset_migratetype_isolate()
119 		nr_pages = move_freepages_block(zone, page, migratetype);  in unset_migratetype_isolate()
120 		__mod_zone_freepage_state(zone, nr_pages, migratetype);  in unset_migratetype_isolate()
123 	zone->nr_isolate_pageblock--;  in unset_migratetype_isolate()
125 	spin_unlock_irqrestore(&zone->lock, flags);  in unset_migratetype_isolate()
266 	struct zone *zone;  in test_pages_isolated()  local
283 	zone = page_zone(page);  in test_pages_isolated()
284 	spin_lock_irqsave(&zone->lock, flags);  in test_pages_isolated()
287 	spin_unlock_irqrestore(&zone->lock, flags);  in test_pages_isolated()