337 	unsigned long free_pfn = zone_end_pfn(zone) - 1;  in __reset_isolation_suitable()  local
338 	unsigned long reset_migrate = free_pfn;  in __reset_isolation_suitable()
354 	for (; migrate_pfn < free_pfn; migrate_pfn += pageblock_nr_pages,  in __reset_isolation_suitable()
355 					free_pfn -= pageblock_nr_pages) {  in __reset_isolation_suitable()
369 		if (__reset_isolation_pfn(zone, free_pfn, free_set, true) &&  in __reset_isolation_suitable()
370 		    free_pfn > reset_free) {  in __reset_isolation_suitable()
372 			reset_free = free_pfn;  in __reset_isolation_suitable()
382 		zone->compact_cached_free_pfn = free_pfn;  in __reset_isolation_suitable()
1233 	return (cc->free_pfn >> pageblock_order)  in compact_scanners_met()
1343 		return cc->free_pfn;  in fast_isolate_freepages()
1349 	if (cc->free_pfn >= cc->zone->compact_init_free_pfn) {  in fast_isolate_freepages()
1358 	distance = (cc->free_pfn - cc->migrate_pfn);  in fast_isolate_freepages()
1359 	low_pfn = pageblock_start_pfn(cc->free_pfn - (distance >> 2));  in fast_isolate_freepages()
1360 	min_pfn = pageblock_start_pfn(cc->free_pfn - (distance >> 1));  in fast_isolate_freepages()
1461 				cc->free_pfn = highest;  in fast_isolate_freepages()
1468 					cc->free_pfn = min_pfn;  in fast_isolate_freepages()
1481 		return cc->free_pfn;  in fast_isolate_freepages()
1519 	isolate_start_pfn = cc->free_pfn;  in isolate_freepages()
1598 	cc->free_pfn = isolate_start_pfn;  in isolate_freepages()
1733 	distance = (cc->free_pfn - cc->migrate_pfn) >> 1;  in fast_find_migrateblock()
1752 			unsigned long free_pfn;  in fast_find_migrateblock()  local
1759 			free_pfn = page_to_pfn(freepage);  in fast_find_migrateblock()
1760 			if (free_pfn < high_pfn) {  in fast_find_migrateblock()
1773 				update_fast_start_pfn(cc, free_pfn);  in fast_find_migrateblock()
1774 				pfn = pageblock_start_pfn(free_pfn);  in fast_find_migrateblock()
1839 	for (; block_end_pfn <= cc->free_pfn;  in isolate_migratepages()
2279 		cc->free_pfn = pageblock_start_pfn(end_pfn - 1);  in compact_zone()
2282 		cc->free_pfn = cc->zone->compact_cached_free_pfn;  in compact_zone()
2283 		if (cc->free_pfn < start_pfn || cc->free_pfn >= end_pfn) {  in compact_zone()
2284 			cc->free_pfn = pageblock_start_pfn(end_pfn - 1);  in compact_zone()
2285 			cc->zone->compact_cached_free_pfn = cc->free_pfn;  in compact_zone()
2311 				cc->free_pfn, end_pfn, sync);  in compact_zone()
2422 		unsigned long free_pfn = release_freepages(&cc->freepages);  in compact_zone()  local
2425 		VM_BUG_ON(free_pfn == 0);  in compact_zone()
2427 		free_pfn = pageblock_start_pfn(free_pfn);  in compact_zone()
2432 		if (free_pfn > cc->zone->compact_cached_free_pfn)  in compact_zone()
2433 			cc->zone->compact_cached_free_pfn = free_pfn;  in compact_zone()
2440 				cc->free_pfn, end_pfn, sync, ret);  in compact_zone()