| /linux-6.15/fs/proc/ |
| H A D | internal.h | 182 int mapcount = atomic_read(&page->_mapcount) + 1; in folio_precise_page_mapcount() local
184 if (page_mapcount_is_type(mapcount)) in folio_precise_page_mapcount()
185 mapcount = 0; in folio_precise_page_mapcount()
187 mapcount += folio_entire_mapcount(folio); in folio_precise_page_mapcount()
189 return mapcount; in folio_precise_page_mapcount()
216 int mapcount, entire_mapcount, avg; in folio_average_page_mapcount() local
221 mapcount = folio_large_mapcount(folio); in folio_average_page_mapcount()
222 if (unlikely(mapcount <= 0)) in folio_average_page_mapcount()
225 if (mapcount <= entire_mapcount) in folio_average_page_mapcount()
227 mapcount -= entire_mapcount; in folio_average_page_mapcount()
[all …]
|
| H A D | page.c | 63 u64 mapcount = 0; in kpagecount_read() local
74 mapcount = folio_precise_page_mapcount(folio, page); in kpagecount_read()
76 mapcount = folio_average_page_mapcount(folio); in kpagecount_read()
79 if (put_user(mapcount, out)) { in kpagecount_read()
|
| H A D | task_mmu.c | 711 int mapcount; in smaps_account() local
754 mapcount = folio_average_page_mapcount(folio); in smaps_account()
767 mapcount = folio_precise_page_mapcount(folio, page); in smaps_account()
768 exclusive = mapcount < 2; in smaps_account()
771 if (mapcount >= 2) in smaps_account()
772 pss /= mapcount; in smaps_account()
824 int mapcount; in smaps_pte_entry() local
827 mapcount = swp_swapcount(swpent); in smaps_pte_entry()
828 if (mapcount >= 2) { in smaps_pte_entry()
831 do_div(pss_delta, mapcount); in smaps_pte_entry()
|
| /linux-6.15/include/trace/events/ |
| H A D | page_ref.h | 23 __field(int, mapcount)
33 __entry->mapcount = atomic_read(&page->_mapcount);
43 __entry->mapcount, __entry->mapping, __entry->mt,
71 __field(int, mapcount)
82 __entry->mapcount = atomic_read(&page->_mapcount);
93 __entry->mapcount, __entry->mapping, __entry->mt,
|
| /linux-6.15/mm/ |
| H A D | debug.c | 74 int mapcount = atomic_read(&page->_mapcount); in __dump_folio() local
77 mapcount = page_mapcount_is_type(mapcount) ? 0 : mapcount + 1; in __dump_folio()
79 folio_ref_count(folio), mapcount, mapping, in __dump_folio()
|
| H A D | rmap.c | 840 int mapcount; member
880 pra->mapcount--; in folio_referenced_one()
914 pra->mapcount--; in folio_referenced_one()
944 if (!pra->mapcount) in folio_referenced_one()
991 .mapcount = folio_mapcount(folio), in folio_referenced()
1003 if (!pra.mapcount) in folio_referenced()
|
| H A D | filemap.c | 163 int mapcount = folio_mapcount(folio); in filemap_unaccount_folio() local
165 if (folio_ref_count(folio) >= mapcount + 2) { in filemap_unaccount_folio()
173 folio_ref_sub(folio, mapcount); in filemap_unaccount_folio()
|
| H A D | Kconfig | 895 bool "No per-page mapcount (EXPERIMENTAL)"
902 instead: for example, using the average per-page mapcount in such
903 a large allocation instead of the per-page mapcount.
|
| /linux-6.15/drivers/xen/ |
| H A D | xen-scsiback.c | 466 int mapcount = 0, i, err = 0; in scsiback_gnttab_data_map_list() local
471 if (gnttab_page_cache_get(&info->free_pages, pg + mapcount)) { in scsiback_gnttab_data_map_list()
472 gnttab_page_cache_put(&info->free_pages, pg, mapcount); in scsiback_gnttab_data_map_list()
476 gnttab_set_map_op(&map[mapcount], vaddr_page(pg[mapcount]), in scsiback_gnttab_data_map_list()
478 mapcount++; in scsiback_gnttab_data_map_list()
479 if (mapcount < VSCSI_GRANT_BATCH) in scsiback_gnttab_data_map_list()
482 pg += mapcount; in scsiback_gnttab_data_map_list()
483 grant += mapcount; in scsiback_gnttab_data_map_list()
484 pending_req->n_grants += mapcount; in scsiback_gnttab_data_map_list()
487 mapcount = 0; in scsiback_gnttab_data_map_list()
[all …]
|
| /linux-6.15/include/linux/ |
| H A D | rmap.h | 230 int mapcount, struct vm_area_struct *vma) in folio_set_large_mapcount() argument
232 __folio_large_mapcount_sanity_checks(folio, mapcount, vma->vm_mm->mm_id); in folio_set_large_mapcount()
238 atomic_set(&folio->_large_mapcount, mapcount - 1); in folio_set_large_mapcount()
239 folio->_mm_id_mapcount[0] = mapcount - 1; in folio_set_large_mapcount()
344 static inline void folio_set_large_mapcount(struct folio *folio, int mapcount, in folio_set_large_mapcount() argument
348 atomic_set(&folio->_large_mapcount, mapcount - 1); in folio_set_large_mapcount()
|
| H A D | mm.h | 1361 int mapcount; in folio_mapcount() local
1364 mapcount = atomic_read(&folio->_mapcount) + 1; in folio_mapcount()
1365 if (page_mapcount_is_type(mapcount)) in folio_mapcount()
1366 mapcount = 0; in folio_mapcount()
1367 return mapcount; in folio_mapcount()
2285 int mapcount = folio_mapcount(folio); in folio_maybe_mapped_shared() local
2289 return mapcount > 1; in folio_maybe_mapped_shared()
2304 if (mapcount <= 1) in folio_maybe_mapped_shared()
|
| H A D | page-flags.h | 985 static inline bool page_mapcount_is_type(unsigned int mapcount) in page_mapcount_is_type() argument
987 return page_type_has_type(mapcount - 1); in page_mapcount_is_type()
|
| H A D | irqdomain.h | 175 unsigned int mapcount; member
|
| /linux-6.15/Documentation/translations/zh_CN/mm/ |
| H A D | page_migration.rst | 80 4. 所有对该页的页表引用都被转换为迁移条目。这就减少了一个页面的mapcount。如果产生的
81 mapcount不是零，那么我们就不迁移该页。所有试图访问该页的用户空间进程现在将等待页
|
| /linux-6.15/Documentation/mm/ |
| H A D | transhuge.rst | 122 corresponding mapcount), and the current status ("maybe mapped shared" vs.
133 corresponding mapcount), and the current status ("maybe mapped shared" vs.
147 the sum of mapcount of all sub-pages plus one (split_huge_page caller must
188 average per-page mapcount in a THP: if the average is < 1, an anon THP is
|
| H A D | page_migration.rst | 102 entries. This decreases the mapcount of a page. If the resulting
103 mapcount is not zero then we do not migrate the page. All user space
|
| /linux-6.15/kernel/irq/ |
| H A D | irqdomain.c | 674 domain->mapcount--; in irq_domain_disassociate()
716 domain->mapcount++; in irq_domain_associate_locked()
1303 domain->mapcount++; in irq_domain_insert_irq()
1323 domain->mapcount--; in irq_domain_remove_irq()
2080 seq_printf(m, "%*smapped: %u\n", ind + 1, "", d->mapcount); in irq_domain_debug_show_one()
|
| /linux-6.15/Documentation/translations/zh_TW/dev-tools/ |
| H A D | kasan.rst | 195 page:ffffea0007d13b00 count:1 mapcount:0 mapping:ffff8801f7001640 index:0x0
|
| /linux-6.15/Documentation/translations/zh_CN/dev-tools/ |
| H A D | kasan.rst | 195 page:ffffea0007d13b00 count:1 mapcount:0 mapping:ffff8801f7001640 index:0x0
|
| /linux-6.15/Documentation/dev-tools/ |
| H A D | kasan.rst | 227 page:ffffea0007d13b00 count:1 mapcount:0 mapping:ffff8801f7001640 index:0x0
|