320 	unsigned long free_pfn = zone_end_pfn(zone) - 1;  in __reset_isolation_suitable()  local
321 	unsigned long reset_migrate = free_pfn;  in __reset_isolation_suitable()
337 	for (; migrate_pfn < free_pfn; migrate_pfn += pageblock_nr_pages,  in __reset_isolation_suitable()
338 					free_pfn -= pageblock_nr_pages) {  in __reset_isolation_suitable()
352 		if (__reset_isolation_pfn(zone, free_pfn, free_set, true) &&  in __reset_isolation_suitable()
353 		    free_pfn > reset_free) {  in __reset_isolation_suitable()
355 			reset_free = free_pfn;  in __reset_isolation_suitable()
365 		zone->compact_cached_free_pfn = free_pfn;  in __reset_isolation_suitable()
1182 	return (cc->free_pfn >> pageblock_order)  in compact_scanners_met()
1288 		return cc->free_pfn;  in fast_isolate_freepages()
1294 	if (cc->free_pfn >= cc->zone->compact_init_free_pfn) {  in fast_isolate_freepages()
1303 	distance = (cc->free_pfn - cc->migrate_pfn);  in fast_isolate_freepages()
1304 	low_pfn = pageblock_start_pfn(cc->free_pfn - (distance >> 2));  in fast_isolate_freepages()
1305 	min_pfn = pageblock_start_pfn(cc->free_pfn - (distance >> 1));  in fast_isolate_freepages()
1404 				cc->free_pfn = highest;  in fast_isolate_freepages()
1408 					cc->free_pfn = min_pfn;  in fast_isolate_freepages()
1421 		return cc->free_pfn;  in fast_isolate_freepages()
1459 	isolate_start_pfn = cc->free_pfn;  in isolate_freepages()
1538 	cc->free_pfn = isolate_start_pfn;  in isolate_freepages()
1668 	distance = (cc->free_pfn - cc->migrate_pfn) >> 1;  in fast_find_migrateblock()
1687 			unsigned long free_pfn;  in fast_find_migrateblock()  local
1690 			free_pfn = page_to_pfn(freepage);  in fast_find_migrateblock()
1691 			if (free_pfn < high_pfn) {  in fast_find_migrateblock()
1708 				update_fast_start_pfn(cc, free_pfn);  in fast_find_migrateblock()
1709 				pfn = pageblock_start_pfn(free_pfn);  in fast_find_migrateblock()
1776 	for (; block_end_pfn <= cc->free_pfn;  in isolate_migratepages()
2118 		cc->free_pfn = pageblock_start_pfn(end_pfn - 1);  in compact_zone()
2121 		cc->free_pfn = cc->zone->compact_cached_free_pfn;  in compact_zone()
2122 		if (cc->free_pfn < start_pfn || cc->free_pfn >= end_pfn) {  in compact_zone()
2123 			cc->free_pfn = pageblock_start_pfn(end_pfn - 1);  in compact_zone()
2124 			cc->zone->compact_cached_free_pfn = cc->free_pfn;  in compact_zone()
2150 				cc->free_pfn, end_pfn, sync);  in compact_zone()
2265 		unsigned long free_pfn = release_freepages(&cc->freepages);  in compact_zone()  local
2268 		VM_BUG_ON(free_pfn == 0);  in compact_zone()
2270 		free_pfn = pageblock_start_pfn(free_pfn);  in compact_zone()
2275 		if (free_pfn > cc->zone->compact_cached_free_pfn)  in compact_zone()
2276 			cc->zone->compact_cached_free_pfn = free_pfn;  in compact_zone()
2283 				cc->free_pfn, end_pfn, sync, ret);  in compact_zone()