arch/x86/mm/fault.c

311

if (!low_pfn(pgd_val(*pgd) >> PAGE_SHIFT) || !pgd_present(*pgd))

arch/x86/mm/fault.c

329

if (!low_pfn(pmd_pfn(*pmd)) || !pmd_present(*pmd) || pmd_leaf(*pmd))

drivers/iommu/iova.c

173

unsigned long high_pfn = limit_pfn, low_pfn = iovad->start_pfn;

drivers/iommu/iova.c

195

} while (curr && new_pfn <= curr_iova->pfn_hi && new_pfn >= low_pfn);

drivers/iommu/iova.c

197

if (high_pfn < size || new_pfn < low_pfn) {

drivers/iommu/iova.c

198

if (low_pfn == iovad->start_pfn && retry_pfn < limit_pfn) {

drivers/iommu/iova.c

200

low_pfn = retry_pfn + 1;

mm/compaction.c

1000

low_pfn += (1UL << order) - 1;

mm/compaction.c

1010

low_pfn += folio_nr_pages(folio) - folio_page_idx(folio, page) - 1;

mm/compaction.c

1037

low_pfn += (1UL << freepage_order) - 1;

mm/compaction.c

1057

low_pfn += (1UL << order) - 1;

mm/compaction.c

1194

low_pfn = end_pfn;

mm/compaction.c

1205

low_pfn += folio_nr_pages(folio) - 1;

mm/compaction.c

1214

low_pfn += folio_nr_pages(folio) - 1;

mm/compaction.c

1237

++low_pfn;

mm/compaction.c

1270

if (low_pfn < next_skip_pfn) {

mm/compaction.c

1271

low_pfn = next_skip_pfn - 1;

mm/compaction.c

1287

if (unlikely(low_pfn > end_pfn))

mm/compaction.c

1288

low_pfn = end_pfn;

mm/compaction.c

1308

if (low_pfn == end_pfn && (!nr_isolated || cc->finish_pageblock)) {

mm/compaction.c

1311

update_cached_migrate(cc, low_pfn);

mm/compaction.c

1314

trace_mm_compaction_isolate_migratepages(start_pfn, low_pfn,

mm/compaction.c

1322

cc->migrate_pfn = low_pfn;

mm/compaction.c

1525

unsigned long low_pfn, min_pfn, highest = 0;

mm/compaction.c

1550

low_pfn = pageblock_start_pfn(cc->free_pfn - (distance >> 2));

mm/compaction.c

1553

if (WARN_ON_ONCE(min_pfn > low_pfn))

mm/compaction.c

1554

low_pfn = min_pfn;

mm/compaction.c

1588

if (pfn >= low_pfn) {

mm/compaction.c

1686

low_pfn = page_to_pfn(page);

mm/compaction.c

1687

fast_isolate_around(cc, low_pfn);

mm/compaction.c

1701

unsigned long low_pfn; /* lowest pfn scanner is able to scan */

mm/compaction.c

1724

low_pfn = pageblock_end_pfn(cc->migrate_pfn);

mm/compaction.c

1732

for (; block_start_pfn >= low_pfn;

mm/compaction.c

1752

block_start_pfn = max(next_pfn, low_pfn);

mm/compaction.c

2065

unsigned long low_pfn;

mm/compaction.c

2077

low_pfn = fast_find_migrateblock(cc);

mm/compaction.c

2078

block_start_pfn = pageblock_start_pfn(low_pfn);

mm/compaction.c

2087

fast_find_block = low_pfn != cc->migrate_pfn && !cc->fast_search_fail;

mm/compaction.c

2090

block_end_pfn = pageblock_end_pfn(low_pfn);

mm/compaction.c

2098

cc->migrate_pfn = low_pfn = block_end_pfn,

mm/compaction.c

2107

if (!(low_pfn % (COMPACT_CLUSTER_MAX * pageblock_nr_pages)))

mm/compaction.c

2128

if ((pageblock_aligned(low_pfn) ||

mm/compaction.c

2129

low_pfn == cc->zone->zone_start_pfn) &&

mm/compaction.c

2147

if (isolate_migratepages_block(cc, low_pfn, block_end_pfn,

mm/compaction.c

855

isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,

mm/compaction.c

866

unsigned long start_pfn = low_pfn;

mm/compaction.c

872

cc->migrate_pfn = low_pfn;

mm/compaction.c

898

next_skip_pfn = block_end_pfn(low_pfn, cc->order);

mm/compaction.c

902

for (; low_pfn < end_pfn; low_pfn++) {

mm/compaction.c

905

if (skip_on_failure && low_pfn >= next_skip_pfn) {

mm/compaction.c

924

next_skip_pfn = block_end_pfn(low_pfn, cc->order);

mm/compaction.c

932

if (!(low_pfn % COMPACT_CLUSTER_MAX)) {

mm/compaction.c

950

page = pfn_to_page(low_pfn);

mm/compaction.c

958

if (!valid_page && (pageblock_aligned(low_pfn) ||

mm/compaction.c

959

low_pfn == cc->zone->zone_start_pfn)) {

mm/compaction.c

961

low_pfn = end_pfn;

mm/compaction.c

978

low_pfn += (1UL << order) - 1;

mm/internal.h

1071

unsigned long low_pfn, unsigned long end_pfn);