1016 		<= (cc->migrate_pfn >> pageblock_order);  in compact_scanners_met()
1048 	low_pfn = pageblock_end_pfn(cc->migrate_pfn);  in isolate_freepages()
1197 	low_pfn = cc->migrate_pfn;  in isolate_migratepages()
1257 	cc->migrate_pfn = low_pfn;  in isolate_migratepages()
1502 		cc->migrate_pfn = start_pfn;  in compact_zone()
1505 		cc->migrate_pfn = zone->compact_cached_migrate_pfn[sync];  in compact_zone()
1511 		if (cc->migrate_pfn < start_pfn || cc->migrate_pfn >= end_pfn) {  in compact_zone()
1512 			cc->migrate_pfn = start_pfn;  in compact_zone()
1513 			zone->compact_cached_migrate_pfn[0] = cc->migrate_pfn;  in compact_zone()
1514 			zone->compact_cached_migrate_pfn[1] = cc->migrate_pfn;  in compact_zone()
1517 		if (cc->migrate_pfn == start_pfn)  in compact_zone()
1523 	trace_mm_compaction_begin(start_pfn, cc->migrate_pfn,  in compact_zone()
1574 				cc->migrate_pfn = block_end_pfn(  in compact_zone()
1575 						cc->migrate_pfn - 1, cc->order);  in compact_zone()
1593 				block_start_pfn(cc->migrate_pfn, cc->order);  in compact_zone()
1627 	trace_mm_compaction_end(start_pfn, cc->migrate_pfn,  in compact_zone()