arch/x86/mm/fault.c

305

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

arch/x86/mm/fault.c

323

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

1019

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

mm/compaction.c

1039

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

mm/compaction.c

1177

low_pfn = end_pfn;

mm/compaction.c

1188

low_pfn += folio_nr_pages(folio) - 1;

mm/compaction.c

1197

low_pfn += folio_nr_pages(folio) - 1;

mm/compaction.c

1220

++low_pfn;

mm/compaction.c

1253

if (low_pfn < next_skip_pfn) {

mm/compaction.c

1254

low_pfn = next_skip_pfn - 1;

mm/compaction.c

1270

if (unlikely(low_pfn > end_pfn))

mm/compaction.c

1271

low_pfn = end_pfn;

mm/compaction.c

1291

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

mm/compaction.c

1294

update_cached_migrate(cc, low_pfn);

mm/compaction.c

1297

trace_mm_compaction_isolate_migratepages(start_pfn, low_pfn,

mm/compaction.c

1305

cc->migrate_pfn = low_pfn;

mm/compaction.c

1508

unsigned long low_pfn, min_pfn, highest = 0;

mm/compaction.c

1533

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

mm/compaction.c

1536

if (WARN_ON_ONCE(min_pfn > low_pfn))

mm/compaction.c

1537

low_pfn = min_pfn;

mm/compaction.c

1571

if (pfn >= low_pfn) {

mm/compaction.c

1669

low_pfn = page_to_pfn(page);

mm/compaction.c

1670

fast_isolate_around(cc, low_pfn);

mm/compaction.c

1684

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

mm/compaction.c

1707

low_pfn = pageblock_end_pfn(cc->migrate_pfn);

mm/compaction.c

1715

for (; block_start_pfn >= low_pfn;

mm/compaction.c

1735

block_start_pfn = max(next_pfn, low_pfn);

mm/compaction.c

2049

unsigned long low_pfn;

mm/compaction.c

2061

low_pfn = fast_find_migrateblock(cc);

mm/compaction.c

2062

block_start_pfn = pageblock_start_pfn(low_pfn);

mm/compaction.c

2071

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

mm/compaction.c

2074

block_end_pfn = pageblock_end_pfn(low_pfn);

mm/compaction.c

2082

cc->migrate_pfn = low_pfn = block_end_pfn,

mm/compaction.c

2091

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

mm/compaction.c

2112

if ((pageblock_aligned(low_pfn) ||

mm/compaction.c

2113

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

mm/compaction.c

2131

if (isolate_migratepages_block(cc, low_pfn, block_end_pfn,

mm/compaction.c

837

isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,

mm/compaction.c

848

unsigned long start_pfn = low_pfn;

mm/compaction.c

854

cc->migrate_pfn = low_pfn;

mm/compaction.c

880

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

mm/compaction.c

884

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

mm/compaction.c

887

if (skip_on_failure && low_pfn >= next_skip_pfn) {

mm/compaction.c

906

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

mm/compaction.c

914

if (!(low_pfn % COMPACT_CLUSTER_MAX)) {

mm/compaction.c

932

page = pfn_to_page(low_pfn);

mm/compaction.c

940

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

mm/compaction.c

941

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

mm/compaction.c

943

low_pfn = end_pfn;

mm/compaction.c

960

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

mm/compaction.c

982

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

mm/compaction.c

992

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

mm/internal.h

1004

unsigned long low_pfn, unsigned long end_pfn);