384 	unsigned long free_pfn = zone_end_pfn(zone) - 1;  in __reset_isolation_suitable()  local
385 	unsigned long reset_migrate = free_pfn;  in __reset_isolation_suitable()
402 	for (; migrate_pfn < free_pfn; migrate_pfn += pageblock_nr_pages,  in __reset_isolation_suitable()
403 					free_pfn -= pageblock_nr_pages) {  in __reset_isolation_suitable()
417 		if (__reset_isolation_pfn(zone, free_pfn, free_set, true) &&  in __reset_isolation_suitable()
418 		    free_pfn > reset_free) {  in __reset_isolation_suitable()
420 			reset_free = free_pfn;  in __reset_isolation_suitable()
430 		zone->compact_cached_free_pfn = free_pfn;  in __reset_isolation_suitable()
1454 	return (cc->free_pfn >> pageblock_order)  in compact_scanners_met()
1557 	if (cc->free_pfn >= cc->zone->compact_init_free_pfn) {  in fast_isolate_freepages()
1566 	distance = (cc->free_pfn - cc->migrate_pfn);  in fast_isolate_freepages()
1567 	low_pfn = pageblock_start_pfn(cc->free_pfn - (distance >> 2));  in fast_isolate_freepages()
1568 	min_pfn = pageblock_start_pfn(cc->free_pfn - (distance >> 1));  in fast_isolate_freepages()
1665 	trace_mm_compaction_fast_isolate_freepages(min_pfn, cc->free_pfn,  in fast_isolate_freepages()
1678 				cc->free_pfn = highest;  in fast_isolate_freepages()
1688 					cc->free_pfn = min_pfn;  in fast_isolate_freepages()
1737 	isolate_start_pfn = cc->free_pfn;  in isolate_freepages()
1824 	cc->free_pfn = isolate_start_pfn;  in isolate_freepages()
2008 	distance = (cc->free_pfn - cc->migrate_pfn) >> 1;  in fast_find_migrateblock()
2027 			unsigned long free_pfn;  in fast_find_migrateblock()  local
2034 			free_pfn = page_to_pfn(freepage);  in fast_find_migrateblock()
2035 			if (free_pfn < high_pfn) {  in fast_find_migrateblock()
2048 				update_fast_start_pfn(cc, free_pfn);  in fast_find_migrateblock()
2049 				pfn = pageblock_start_pfn(free_pfn);  in fast_find_migrateblock()
2113 	for (; block_end_pfn <= cc->free_pfn;  in isolate_migratepages()
2134 				block_end_pfn = min(next_pfn, cc->free_pfn);  in isolate_migratepages()
2556 		cc->free_pfn = pageblock_start_pfn(end_pfn - 1);  in compact_zone()
2559 		cc->free_pfn = cc->zone->compact_cached_free_pfn;  in compact_zone()
2560 		if (cc->free_pfn < start_pfn || cc->free_pfn >= end_pfn) {  in compact_zone()
2561 			cc->free_pfn = pageblock_start_pfn(end_pfn - 1);  in compact_zone()
2562 			cc->zone->compact_cached_free_pfn = cc->free_pfn;  in compact_zone()
2719 		unsigned long free_pfn = release_free_list(cc->freepages);  in compact_zone()  local
2722 		VM_BUG_ON(free_pfn == 0);  in compact_zone()
2724 		free_pfn = pageblock_start_pfn(free_pfn);  in compact_zone()
2729 		if (free_pfn > cc->zone->compact_cached_free_pfn)  in compact_zone()
2730 			cc->zone->compact_cached_free_pfn = free_pfn;  in compact_zone()