Lines Matching refs:nr_pages
59 unsigned long nr_pages = PFN_UP(memory_block_memmap_size()); in memory_block_memmap_on_memory_pages() local
68 return pageblock_align(nr_pages); in memory_block_memmap_on_memory_pages()
69 return nr_pages; in memory_block_memmap_on_memory_pages()
299 static int check_pfn_span(unsigned long pfn, unsigned long nr_pages) in check_pfn_span() argument
316 if (!IS_ALIGNED(pfn | nr_pages, min_align)) in check_pfn_span()
369 int __add_pages(int nid, unsigned long pfn, unsigned long nr_pages, in __add_pages() argument
372 const unsigned long end_pfn = pfn + nr_pages; in __add_pages()
380 VM_BUG_ON(!mhp_range_allowed(PFN_PHYS(pfn), nr_pages * PAGE_SIZE, false)); in __add_pages()
387 || vmem_altmap_offset(altmap) > nr_pages) { in __add_pages()
394 if (check_pfn_span(pfn, nr_pages)) { in __add_pages()
395 WARN(1, "Misaligned %s start: %#lx end: %#lx\n", __func__, pfn, pfn + nr_pages - 1); in __add_pages()
529 unsigned long nr_pages) in remove_pfn_range_from_zone() argument
531 const unsigned long end_pfn = start_pfn + nr_pages; in remove_pfn_range_from_zone()
556 shrink_zone_span(zone, start_pfn, start_pfn + nr_pages); in remove_pfn_range_from_zone()
573 void __remove_pages(unsigned long pfn, unsigned long nr_pages, in __remove_pages() argument
576 const unsigned long end_pfn = pfn + nr_pages; in __remove_pages()
579 if (check_pfn_span(pfn, nr_pages)) { in __remove_pages()
580 WARN(1, "Misaligned %s start: %#lx end: %#lx\n", __func__, pfn, pfn + nr_pages - 1); in __remove_pages()
638 static void online_pages_range(unsigned long start_pfn, unsigned long nr_pages) in online_pages_range() argument
640 const unsigned long end_pfn = start_pfn + nr_pages; in online_pages_range()
676 static void node_states_check_changes_online(unsigned long nr_pages, in node_states_check_changes_online() argument
700 unsigned long nr_pages) in resize_zone_range() argument
707 zone->spanned_pages = max(start_pfn + nr_pages, old_end_pfn) - zone->zone_start_pfn; in resize_zone_range()
711 unsigned long nr_pages) in resize_pgdat_range() argument
718 pgdat->node_spanned_pages = max(start_pfn + nr_pages, old_end_pfn) - pgdat->node_start_pfn; in resize_pgdat_range()
745 unsigned long nr_pages, in move_pfn_range_to_zone() argument
754 init_currently_empty_zone(zone, start_pfn, nr_pages); in move_pfn_range_to_zone()
755 resize_zone_range(zone, start_pfn, nr_pages); in move_pfn_range_to_zone()
756 resize_pgdat_range(pgdat, start_pfn, nr_pages); in move_pfn_range_to_zone()
767 if (!IS_ALIGNED(start_pfn + nr_pages, PAGES_PER_SECTION)) in move_pfn_range_to_zone()
768 section_taint_zone_device(start_pfn + nr_pages); in move_pfn_range_to_zone()
777 memmap_init_range(nr_pages, nid, zone_idx(zone), start_pfn, 0, in move_pfn_range_to_zone()
838 unsigned long nr_pages) in auto_movable_can_online_movable() argument
883 movable_pages += nr_pages; in auto_movable_can_online_movable()
893 unsigned long nr_pages) in default_kernel_zone_for_pfn() argument
901 if (zone_intersects(zone, start_pfn, nr_pages)) in default_kernel_zone_for_pfn()
961 unsigned long nr_pages) in auto_movable_zone_for_pfn() argument
976 } else if (!group || group->d.unit_pages == nr_pages) { in auto_movable_zone_for_pfn()
977 max_pages = nr_pages; in auto_movable_zone_for_pfn()
1004 nr_pages = max_pages - online_pages; in auto_movable_zone_for_pfn()
1005 if (!auto_movable_can_online_movable(NUMA_NO_NODE, group, nr_pages)) in auto_movable_zone_for_pfn()
1010 !auto_movable_can_online_movable(nid, group, nr_pages)) in auto_movable_zone_for_pfn()
1016 return default_kernel_zone_for_pfn(nid, pfn, nr_pages); in auto_movable_zone_for_pfn()
1020 unsigned long nr_pages) in default_zone_for_pfn() argument
1023 nr_pages); in default_zone_for_pfn()
1025 bool in_kernel = zone_intersects(kernel_zone, start_pfn, nr_pages); in default_zone_for_pfn()
1026 bool in_movable = zone_intersects(movable_zone, start_pfn, nr_pages); in default_zone_for_pfn()
1045 unsigned long nr_pages) in zone_for_pfn_range() argument
1048 return default_kernel_zone_for_pfn(nid, start_pfn, nr_pages); in zone_for_pfn_range()
1054 return auto_movable_zone_for_pfn(nid, group, start_pfn, nr_pages); in zone_for_pfn_range()
1056 return default_zone_for_pfn(nid, start_pfn, nr_pages); in zone_for_pfn_range()
1064 long nr_pages) in adjust_present_page_count() argument
1074 zone->present_early_pages += nr_pages; in adjust_present_page_count()
1075 zone->present_pages += nr_pages; in adjust_present_page_count()
1076 zone->zone_pgdat->node_present_pages += nr_pages; in adjust_present_page_count()
1079 group->present_movable_pages += nr_pages; in adjust_present_page_count()
1081 group->present_kernel_pages += nr_pages; in adjust_present_page_count()
1084 int mhp_init_memmap_on_memory(unsigned long pfn, unsigned long nr_pages, in mhp_init_memmap_on_memory() argument
1087 unsigned long end_pfn = pfn + nr_pages; in mhp_init_memmap_on_memory()
1090 ret = kasan_add_zero_shadow(__va(PFN_PHYS(pfn)), PFN_PHYS(nr_pages)); in mhp_init_memmap_on_memory()
1101 page_init_poison(pfn_to_page(pfn), sizeof(struct page) * nr_pages); in mhp_init_memmap_on_memory()
1103 move_pfn_range_to_zone(zone, pfn, nr_pages, NULL, MIGRATE_UNMOVABLE); in mhp_init_memmap_on_memory()
1105 for (i = 0; i < nr_pages; i++) { in mhp_init_memmap_on_memory()
1117 if (nr_pages >= PAGES_PER_SECTION) in mhp_init_memmap_on_memory()
1123 void mhp_deinit_memmap_on_memory(unsigned long pfn, unsigned long nr_pages) in mhp_deinit_memmap_on_memory() argument
1125 unsigned long end_pfn = pfn + nr_pages; in mhp_deinit_memmap_on_memory()
1132 if (nr_pages >= PAGES_PER_SECTION) in mhp_deinit_memmap_on_memory()
1139 remove_pfn_range_from_zone(page_zone(pfn_to_page(pfn)), pfn, nr_pages); in mhp_deinit_memmap_on_memory()
1140 kasan_remove_zero_shadow(__va(PFN_PHYS(pfn)), PFN_PHYS(nr_pages)); in mhp_deinit_memmap_on_memory()
1146 int online_pages(unsigned long pfn, unsigned long nr_pages, in online_pages() argument
1162 if (WARN_ON_ONCE(!nr_pages || !pageblock_aligned(pfn) || in online_pages()
1163 !IS_ALIGNED(pfn + nr_pages, PAGES_PER_SECTION))) in online_pages()
1168 move_pfn_range_to_zone(zone, pfn, nr_pages, NULL, MIGRATE_ISOLATE); in online_pages()
1171 arg.nr_pages = nr_pages; in online_pages()
1172 node_states_check_changes_online(nr_pages, zone, &arg); in online_pages()
1184 zone->nr_isolate_pageblock += nr_pages / pageblock_nr_pages; in online_pages()
1197 online_pages_range(pfn, nr_pages); in online_pages()
1198 adjust_present_page_count(pfn_to_page(pfn), group, nr_pages); in online_pages()
1205 undo_isolate_page_range(pfn, pfn + nr_pages, MIGRATE_MOVABLE); in online_pages()
1229 (((unsigned long long) pfn + nr_pages) << PAGE_SHIFT) - 1); in online_pages()
1231 remove_pfn_range_from_zone(zone, pfn, nr_pages); in online_pages()
1876 static void node_states_check_changes_offline(unsigned long nr_pages, in node_states_check_changes_offline() argument
1896 if (zone_idx(zone) <= ZONE_NORMAL && nr_pages >= present_pages) in node_states_check_changes_offline()
1910 if (nr_pages >= present_pages) in node_states_check_changes_offline()
1924 unsigned long nr_pages, void *data) in count_system_ram_pages_cb() argument
1928 *nr_system_ram_pages += nr_pages; in count_system_ram_pages_cb()
1935 int offline_pages(unsigned long start_pfn, unsigned long nr_pages, in offline_pages() argument
1938 const unsigned long end_pfn = start_pfn + nr_pages; in offline_pages()
1953 if (WARN_ON_ONCE(!nr_pages || !pageblock_aligned(start_pfn) || in offline_pages()
1954 !IS_ALIGNED(start_pfn + nr_pages, PAGES_PER_SECTION))) in offline_pages()
1965 walk_system_ram_range(start_pfn, nr_pages, &system_ram_pages, in offline_pages()
1967 if (system_ram_pages != nr_pages) { in offline_pages()
2003 arg.nr_pages = nr_pages; in offline_pages()
2004 node_states_check_changes_offline(nr_pages, zone, &arg); in offline_pages()
2061 pr_debug("Offlined Pages %ld\n", nr_pages); in offline_pages()
2069 zone->nr_isolate_pageblock -= nr_pages / pageblock_nr_pages; in offline_pages()
2077 adjust_present_page_count(pfn_to_page(start_pfn), group, -nr_pages); in offline_pages()
2100 remove_pfn_range_from_zone(zone, start_pfn, nr_pages); in offline_pages()