319 	unsigned long migrate_pfn = zone->zone_start_pfn;  in __reset_isolation_suitable()  local
322 	unsigned long reset_free = migrate_pfn;  in __reset_isolation_suitable()
337 	for (; migrate_pfn < free_pfn; migrate_pfn += pageblock_nr_pages,  in __reset_isolation_suitable()
342 		if (__reset_isolation_pfn(zone, migrate_pfn, true, source_set) &&  in __reset_isolation_suitable()
343 		    migrate_pfn < reset_migrate) {  in __reset_isolation_suitable()
345 			reset_migrate = migrate_pfn;  in __reset_isolation_suitable()
363 		zone->compact_cached_migrate_pfn[0] = migrate_pfn;  in __reset_isolation_suitable()
364 		zone->compact_cached_migrate_pfn[1] = migrate_pfn;  in __reset_isolation_suitable()
1183 		<= (cc->migrate_pfn >> pageblock_order);  in compact_scanners_met()
1303 	distance = (cc->free_pfn - cc->migrate_pfn);  in fast_isolate_freepages()
1463 	low_pfn = pageblock_end_pfn(cc->migrate_pfn);  in isolate_freepages()
1611 		return cc->migrate_pfn;  in reinit_migrate_pfn()
1613 	cc->migrate_pfn = cc->fast_start_pfn;  in reinit_migrate_pfn()
1616 	return cc->migrate_pfn;  in reinit_migrate_pfn()
1629 	unsigned long pfn = cc->migrate_pfn;  in fast_find_migrateblock()
1668 	distance = (cc->free_pfn - cc->migrate_pfn) >> 1;  in fast_find_migrateblock()
1669 	if (cc->migrate_pfn != cc->zone->zone_start_pfn)  in fast_find_migrateblock()
1671 	high_pfn = pageblock_start_pfn(cc->migrate_pfn + distance);  in fast_find_migrateblock()
1674 	     order >= PAGE_ALLOC_COSTLY_ORDER && pfn == cc->migrate_pfn && nr_scanned < limit;  in fast_find_migrateblock()
1730 	if (pfn == cc->migrate_pfn)  in fast_find_migrateblock()
1767 	fast_find_block = low_pfn != cc->migrate_pfn && !cc->fast_search_fail;  in isolate_migratepages()
1835 	cc->migrate_pfn = low_pfn;  in isolate_migratepages()
1884 	if (!IS_ALIGNED(cc->migrate_pfn, pageblock_nr_pages))  in __compact_finished()
1923 					IS_ALIGNED(cc->migrate_pfn,  in __compact_finished()
2117 		cc->migrate_pfn = start_pfn;  in compact_zone()
2120 		cc->migrate_pfn = cc->zone->compact_cached_migrate_pfn[sync];  in compact_zone()
2126 		if (cc->migrate_pfn < start_pfn || cc->migrate_pfn >= end_pfn) {  in compact_zone()
2127 			cc->migrate_pfn = start_pfn;  in compact_zone()
2128 			cc->zone->compact_cached_migrate_pfn[0] = cc->migrate_pfn;  in compact_zone()
2129 			cc->zone->compact_cached_migrate_pfn[1] = cc->migrate_pfn;  in compact_zone()
2132 		if (cc->migrate_pfn <= cc->zone->compact_init_migrate_pfn)  in compact_zone()
2149 	trace_mm_compaction_begin(start_pfn, cc->migrate_pfn,  in compact_zone()
2156 		unsigned long start_pfn = cc->migrate_pfn;  in compact_zone()
2222 				cc->migrate_pfn = block_end_pfn(  in compact_zone()
2223 						cc->migrate_pfn - 1, cc->order);  in compact_zone()
2240 				block_start_pfn(cc->migrate_pfn, cc->order);  in compact_zone()
2282 	trace_mm_compaction_end(start_pfn, cc->migrate_pfn,  in compact_zone()