384 	unsigned long migrate_pfn = zone->zone_start_pfn;  in __reset_isolation_suitable()  local
387 	unsigned long reset_free = migrate_pfn;  in __reset_isolation_suitable()
403 	for (; migrate_pfn < free_pfn; migrate_pfn += pageblock_nr_pages,  in __reset_isolation_suitable()
408 		if (__reset_isolation_pfn(zone, migrate_pfn, true, source_set) &&  in __reset_isolation_suitable()
409 		    migrate_pfn < reset_migrate) {  in __reset_isolation_suitable()
411 			reset_migrate = migrate_pfn;  in __reset_isolation_suitable()
429 		zone->compact_cached_migrate_pfn[0] = migrate_pfn;  in __reset_isolation_suitable()
430 		zone->compact_cached_migrate_pfn[1] = migrate_pfn;  in __reset_isolation_suitable()
887 	cc->migrate_pfn = low_pfn;  in isolate_migratepages_block()
1341 	cc->migrate_pfn = low_pfn;  in isolate_migratepages_block()
1457 		<= (cc->migrate_pfn >> pageblock_order);  in compact_scanners_met()
1568 	distance = (cc->free_pfn - cc->migrate_pfn);  in fast_isolate_freepages()
1743 	low_pfn = pageblock_end_pfn(cc->migrate_pfn);  in isolate_freepages()
1946 		return cc->migrate_pfn;  in reinit_migrate_pfn()
1948 	cc->migrate_pfn = cc->fast_start_pfn;  in reinit_migrate_pfn()
1951 	return cc->migrate_pfn;  in reinit_migrate_pfn()
1964 	unsigned long pfn = cc->migrate_pfn;  in fast_find_migrateblock()
2011 	distance = (cc->free_pfn - cc->migrate_pfn) >> 1;  in fast_find_migrateblock()
2012 	if (cc->migrate_pfn != cc->zone->zone_start_pfn)  in fast_find_migrateblock()
2014 	high_pfn = pageblock_start_pfn(cc->migrate_pfn + distance);  in fast_find_migrateblock()
2107 	fast_find_block = low_pfn != cc->migrate_pfn && !cc->fast_search_fail;  in isolate_migratepages()
2118 			cc->migrate_pfn = low_pfn = block_end_pfn,  in isolate_migratepages()
2328 	if (!pageblock_aligned(cc->migrate_pfn))  in __compact_finished()
2603 		cc->migrate_pfn = start_pfn;  in compact_zone()
2606 		cc->migrate_pfn = cc->zone->compact_cached_migrate_pfn[sync];  in compact_zone()
2612 		if (cc->migrate_pfn < start_pfn || cc->migrate_pfn >= end_pfn) {  in compact_zone()
2613 			cc->migrate_pfn = start_pfn;  in compact_zone()
2614 			cc->zone->compact_cached_migrate_pfn[0] = cc->migrate_pfn;  in compact_zone()
2615 			cc->zone->compact_cached_migrate_pfn[1] = cc->migrate_pfn;  in compact_zone()
2618 		if (cc->migrate_pfn <= cc->zone->compact_init_migrate_pfn)  in compact_zone()
2642 		unsigned long iteration_start_pfn = cc->migrate_pfn;  in compact_zone()
2680 				pageblock_start_pfn(cc->migrate_pfn - 1));  in compact_zone()
2718 			if (!pageblock_aligned(cc->migrate_pfn) &&  in compact_zone()
2751 				block_start_pfn(cc->migrate_pfn, cc->order);  in compact_zone()