20 	struct zone *zone = page_zone(page);  in set_migratetype_isolate()  local
24 	spin_lock_irqsave(&zone->lock, flags);  in set_migratetype_isolate()
32 		spin_unlock_irqrestore(&zone->lock, flags);  in set_migratetype_isolate()
40 	unmovable = has_unmovable_pages(zone, page, migratetype, isol_flags);  in set_migratetype_isolate()
46 		zone->nr_isolate_pageblock++;  in set_migratetype_isolate()
47 		nr_pages = move_freepages_block(zone, page, MIGRATE_ISOLATE,  in set_migratetype_isolate()
50 		__mod_zone_freepage_state(zone, -nr_pages, mt);  in set_migratetype_isolate()
51 		spin_unlock_irqrestore(&zone->lock, flags);  in set_migratetype_isolate()
52 		drain_all_pages(zone);  in set_migratetype_isolate()
56 	spin_unlock_irqrestore(&zone->lock, flags);  in set_migratetype_isolate()
70 	struct zone *zone;  in unset_migratetype_isolate()  local
77 	zone = page_zone(page);  in unset_migratetype_isolate()
78 	spin_lock_irqsave(&zone->lock, flags);  in unset_migratetype_isolate()
116 		nr_pages = move_freepages_block(zone, page, migratetype, NULL);  in unset_migratetype_isolate()
117 		__mod_zone_freepage_state(zone, nr_pages, migratetype);  in unset_migratetype_isolate()
122 	zone->nr_isolate_pageblock--;  in unset_migratetype_isolate()
124 	spin_unlock_irqrestore(&zone->lock, flags);  in unset_migratetype_isolate()
289 	struct zone *zone;  in test_pages_isolated()  local
305 	zone = page_zone(page);  in test_pages_isolated()
306 	spin_lock_irqsave(&zone->lock, flags);  in test_pages_isolated()
308 	spin_unlock_irqrestore(&zone->lock, flags);  in test_pages_isolated()