383 	unsigned long migrate_pfn = zone->zone_start_pfn;  in __reset_isolation_suitable()  local
386 	unsigned long reset_free = migrate_pfn;  in __reset_isolation_suitable()
402 	for (; migrate_pfn < free_pfn; migrate_pfn += pageblock_nr_pages,  in __reset_isolation_suitable()
407 		if (__reset_isolation_pfn(zone, migrate_pfn, true, source_set) &&  in __reset_isolation_suitable()
408 		    migrate_pfn < reset_migrate) {  in __reset_isolation_suitable()
410 			reset_migrate = migrate_pfn;  in __reset_isolation_suitable()
428 		zone->compact_cached_migrate_pfn[0] = migrate_pfn;  in __reset_isolation_suitable()
429 		zone->compact_cached_migrate_pfn[1] = migrate_pfn;  in __reset_isolation_suitable()
885 	cc->migrate_pfn = low_pfn;  in isolate_migratepages_block()
1339 	cc->migrate_pfn = low_pfn;  in isolate_migratepages_block()
1455 		<= (cc->migrate_pfn >> pageblock_order);  in compact_scanners_met()
1566 	distance = (cc->free_pfn - cc->migrate_pfn);  in fast_isolate_freepages()
1741 	low_pfn = pageblock_end_pfn(cc->migrate_pfn);  in isolate_freepages()
1943 		return cc->migrate_pfn;  in reinit_migrate_pfn()
1945 	cc->migrate_pfn = cc->fast_start_pfn;  in reinit_migrate_pfn()
1948 	return cc->migrate_pfn;  in reinit_migrate_pfn()
1961 	unsigned long pfn = cc->migrate_pfn;  in fast_find_migrateblock()
2008 	distance = (cc->free_pfn - cc->migrate_pfn) >> 1;  in fast_find_migrateblock()
2009 	if (cc->migrate_pfn != cc->zone->zone_start_pfn)  in fast_find_migrateblock()
2011 	high_pfn = pageblock_start_pfn(cc->migrate_pfn + distance);  in fast_find_migrateblock()
2104 	fast_find_block = low_pfn != cc->migrate_pfn && !cc->fast_search_fail;  in isolate_migratepages()
2115 			cc->migrate_pfn = low_pfn = block_end_pfn,  in isolate_migratepages()
2325 	if (!pageblock_aligned(cc->migrate_pfn))  in __compact_finished()
2555 		cc->migrate_pfn = start_pfn;  in compact_zone()
2558 		cc->migrate_pfn = cc->zone->compact_cached_migrate_pfn[sync];  in compact_zone()
2564 		if (cc->migrate_pfn < start_pfn || cc->migrate_pfn >= end_pfn) {  in compact_zone()
2565 			cc->migrate_pfn = start_pfn;  in compact_zone()
2566 			cc->zone->compact_cached_migrate_pfn[0] = cc->migrate_pfn;  in compact_zone()
2567 			cc->zone->compact_cached_migrate_pfn[1] = cc->migrate_pfn;  in compact_zone()
2570 		if (cc->migrate_pfn <= cc->zone->compact_init_migrate_pfn)  in compact_zone()
2594 		unsigned long iteration_start_pfn = cc->migrate_pfn;  in compact_zone()
2632 				pageblock_start_pfn(cc->migrate_pfn - 1));  in compact_zone()
2670 			if (!pageblock_aligned(cc->migrate_pfn) &&  in compact_zone()
2703 				block_start_pfn(cc->migrate_pfn, cc->order);  in compact_zone()