linux/mm/compaction.c

586 				unsigned long end_pfn,
605 	for (; blockpfn < end_pfn; blockpfn += stride, page += stride) {
684 	if (unlikely(blockpfn > end_pfn))
685 		blockpfn = end_pfn;
698 	if (strict && blockpfn < end_pfn)
711  * @end_pfn:   The one-past-last PFN.
714  * [start_pfn, end_pfn) range are considered errors, cause function to
718  * (which may be greater then end_pfn if end fell in a middle of
723 			unsigned long start_pfn, unsigned long end_pfn)
734 	for (; pfn < end_pfn; pfn += isolated,
750 		block_end_pfn = min(block_end_pfn, end_pfn);
777 	if (pfn < end_pfn) {
825  * @end_pfn:	The one-past-the-last PFN to isolate, within same pageblock
829  * [low_pfn, end_pfn). The range is expected to be within same pageblock.
839 			unsigned long end_pfn, isolate_mode_t mode)
885 	for (; low_pfn < end_pfn; low_pfn++) {
943 				low_pfn = end_pfn;
1144 					low_pfn = end_pfn;
1236 	if (unlikely(low_pfn > end_pfn))
1237 		low_pfn = end_pfn;
1257 	if (low_pfn == end_pfn && (!nr_isolated || cc->finish_pageblock)) {
1280  * @end_pfn:   The one-past-last PFN.
1287 							unsigned long end_pfn)
1299 	for (; pfn < end_pfn; pfn = block_end_pfn,
1303 		block_end_pfn = min(block_end_pfn, end_pfn);
1424 	unsigned long start_pfn, end_pfn;
1437 	end_pfn = min(pageblock_end_pfn(pfn), zone_end_pfn(cc->zone));
1439 	page = pageblock_pfn_to_page(start_pfn, end_pfn, cc->zone);
1443 	isolate_freepages_block(cc, &start_pfn, end_pfn, &cc->freepages, 1, false);
1446 	if (start_pfn == end_pfn && !cc->no_set_skip_hint)
2385 	unsigned long end_pfn = zone_end_pfn(cc->zone);
2436 		cc->free_pfn = pageblock_start_pfn(end_pfn - 1);
2440 		if (cc->free_pfn < start_pfn || cc->free_pfn >= end_pfn) {
2441 			cc->free_pfn = pageblock_start_pfn(end_pfn - 1);
2444 		if (cc->migrate_pfn < start_pfn || cc->migrate_pfn >= end_pfn) {
2467 	trace_mm_compaction_begin(cc, start_pfn, end_pfn, sync);
2610 	trace_mm_compaction_end(cc, start_pfn, end_pfn, sync, ret);