378 	unsigned long migrate_pfn = zone->zone_start_pfn;  in __reset_isolation_suitable()  local
381 	unsigned long reset_free = migrate_pfn;  in __reset_isolation_suitable()
396 	for (; migrate_pfn < free_pfn; migrate_pfn += pageblock_nr_pages,  in __reset_isolation_suitable()
401 		if (__reset_isolation_pfn(zone, migrate_pfn, true, source_set) &&  in __reset_isolation_suitable()
402 		    migrate_pfn < reset_migrate) {  in __reset_isolation_suitable()
404 			reset_migrate = migrate_pfn;  in __reset_isolation_suitable()
422 		zone->compact_cached_migrate_pfn[0] = migrate_pfn;  in __reset_isolation_suitable()
423 		zone->compact_cached_migrate_pfn[1] = migrate_pfn;  in __reset_isolation_suitable()
855 	cc->migrate_pfn = low_pfn;  in isolate_migratepages_block()
1271 	cc->migrate_pfn = low_pfn;  in isolate_migratepages_block()
1385 		<= (cc->migrate_pfn >> pageblock_order);  in compact_scanners_met()
1496 	distance = (cc->free_pfn - cc->migrate_pfn);  in fast_isolate_freepages()
1669 	low_pfn = pageblock_end_pfn(cc->migrate_pfn);  in isolate_freepages()
1832 		return cc->migrate_pfn;  in reinit_migrate_pfn()
1834 	cc->migrate_pfn = cc->fast_start_pfn;  in reinit_migrate_pfn()
1837 	return cc->migrate_pfn;  in reinit_migrate_pfn()
1850 	unsigned long pfn = cc->migrate_pfn;  in fast_find_migrateblock()
1897 	distance = (cc->free_pfn - cc->migrate_pfn) >> 1;  in fast_find_migrateblock()
1898 	if (cc->migrate_pfn != cc->zone->zone_start_pfn)  in fast_find_migrateblock()
1900 	high_pfn = pageblock_start_pfn(cc->migrate_pfn + distance);  in fast_find_migrateblock()
1993 	fast_find_block = low_pfn != cc->migrate_pfn && !cc->fast_search_fail;  in isolate_migratepages()
2004 			cc->migrate_pfn = low_pfn = block_end_pfn,  in isolate_migratepages()
2223 	if (!pageblock_aligned(cc->migrate_pfn))  in __compact_finished()
2435 		cc->migrate_pfn = start_pfn;  in compact_zone()
2438 		cc->migrate_pfn = cc->zone->compact_cached_migrate_pfn[sync];  in compact_zone()
2444 		if (cc->migrate_pfn < start_pfn || cc->migrate_pfn >= end_pfn) {  in compact_zone()
2445 			cc->migrate_pfn = start_pfn;  in compact_zone()
2446 			cc->zone->compact_cached_migrate_pfn[0] = cc->migrate_pfn;  in compact_zone()
2447 			cc->zone->compact_cached_migrate_pfn[1] = cc->migrate_pfn;  in compact_zone()
2450 		if (cc->migrate_pfn <= cc->zone->compact_init_migrate_pfn)  in compact_zone()
2474 		unsigned long iteration_start_pfn = cc->migrate_pfn;  in compact_zone()
2512 				pageblock_start_pfn(cc->migrate_pfn - 1));  in compact_zone()
2544 			if (!pageblock_aligned(cc->migrate_pfn) &&  in compact_zone()
2577 				block_start_pfn(cc->migrate_pfn, cc->order);  in compact_zone()