Lines Matching refs:low_pfn
800 isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn, in isolate_migratepages_block() argument
809 unsigned long start_pfn = low_pfn; in isolate_migratepages_block()
815 cc->migrate_pfn = low_pfn; in isolate_migratepages_block()
841 next_skip_pfn = block_end_pfn(low_pfn, cc->order); in isolate_migratepages_block()
845 for (; low_pfn < end_pfn; low_pfn++) { in isolate_migratepages_block()
847 if (skip_on_failure && low_pfn >= next_skip_pfn) { in isolate_migratepages_block()
866 next_skip_pfn = block_end_pfn(low_pfn, cc->order); in isolate_migratepages_block()
874 if (!(low_pfn % SWAP_CLUSTER_MAX)) { in isolate_migratepages_block()
892 page = pfn_to_page(low_pfn); in isolate_migratepages_block()
900 if (!valid_page && IS_ALIGNED(low_pfn, pageblock_nr_pages)) { in isolate_migratepages_block()
902 low_pfn = end_pfn; in isolate_migratepages_block()
920 low_pfn += (1UL << compound_order(page)) - 1; in isolate_migratepages_block()
929 low_pfn += compound_nr(page) - 1; in isolate_migratepages_block()
956 low_pfn += (1UL << freepage_order) - 1; in isolate_migratepages_block()
972 low_pfn += (1UL << order) - 1; in isolate_migratepages_block()
1046 if (test_and_set_skip(cc, page, low_pfn)) in isolate_migratepages_block()
1056 low_pfn += compound_nr(page) - 1; in isolate_migratepages_block()
1064 low_pfn += compound_nr(page) - 1; in isolate_migratepages_block()
1086 ++low_pfn; in isolate_migratepages_block()
1119 if (low_pfn < next_skip_pfn) { in isolate_migratepages_block()
1120 low_pfn = next_skip_pfn - 1; in isolate_migratepages_block()
1136 if (unlikely(low_pfn > end_pfn)) in isolate_migratepages_block()
1137 low_pfn = end_pfn; in isolate_migratepages_block()
1157 if (low_pfn == end_pfn && (!nr_isolated || cc->rescan)) { in isolate_migratepages_block()
1160 update_cached_migrate(cc, low_pfn); in isolate_migratepages_block()
1163 trace_mm_compaction_isolate_migratepages(start_pfn, low_pfn, in isolate_migratepages_block()
1171 cc->migrate_pfn = low_pfn; in isolate_migratepages_block()
1383 unsigned long low_pfn, min_pfn, highest = 0; in fast_isolate_freepages() local
1408 low_pfn = pageblock_start_pfn(cc->free_pfn - (distance >> 2)); in fast_isolate_freepages()
1411 if (WARN_ON_ONCE(min_pfn > low_pfn)) in fast_isolate_freepages()
1412 low_pfn = min_pfn; in fast_isolate_freepages()
1446 if (pfn >= low_pfn) { in fast_isolate_freepages()
1532 low_pfn = page_to_pfn(page); in fast_isolate_freepages()
1533 fast_isolate_around(cc, low_pfn, nr_isolated); in fast_isolate_freepages()
1534 return low_pfn; in fast_isolate_freepages()
1548 unsigned long low_pfn; /* lowest pfn scanner is able to scan */ in isolate_freepages() local
1572 low_pfn = pageblock_end_pfn(cc->migrate_pfn); in isolate_freepages()
1580 for (; block_start_pfn >= low_pfn; in isolate_freepages()
1855 unsigned long low_pfn; in isolate_migratepages() local
1867 low_pfn = fast_find_migrateblock(cc); in isolate_migratepages()
1868 block_start_pfn = pageblock_start_pfn(low_pfn); in isolate_migratepages()
1877 fast_find_block = low_pfn != cc->migrate_pfn && !cc->fast_search_fail; in isolate_migratepages()
1880 block_end_pfn = pageblock_end_pfn(low_pfn); in isolate_migratepages()
1888 cc->migrate_pfn = low_pfn = block_end_pfn, in isolate_migratepages()
1897 if (!(low_pfn % (SWAP_CLUSTER_MAX * pageblock_nr_pages))) in isolate_migratepages()
1912 if (IS_ALIGNED(low_pfn, pageblock_nr_pages) && in isolate_migratepages()
1930 if (isolate_migratepages_block(cc, low_pfn, block_end_pfn, in isolate_migratepages()