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Searched refs:mapcount (Results 1 – 16 of 16) sorted by relevance

/Linux-v4.19/include/trace/events/
Dpage_ref.h23 __field(int, mapcount)
33 __entry->mapcount = page_mapcount(page);
43 __entry->mapcount, __entry->mapping, __entry->mt,
71 __field(int, mapcount)
82 __entry->mapcount = page_mapcount(page);
93 __entry->mapcount, __entry->mapping, __entry->mt,
/Linux-v4.19/mm/
Ddebug.c47 int mapcount; in __dump_page() local
64 mapcount = PageSlab(page) ? 0 : page_mapcount(page); in __dump_page()
67 page, page_ref_count(page), mapcount, in __dump_page()
Dhuge_memory.c2525 int i, ret, _total_mapcount, mapcount; in page_trans_huge_mapcount() local
2531 mapcount = atomic_read(&page->_mapcount) + 1; in page_trans_huge_mapcount()
2533 *total_mapcount = mapcount; in page_trans_huge_mapcount()
2534 return mapcount; in page_trans_huge_mapcount()
2541 mapcount = atomic_read(&page[i]._mapcount) + 1; in page_trans_huge_mapcount()
2542 ret = max(ret, mapcount); in page_trans_huge_mapcount()
2543 _total_mapcount += mapcount; in page_trans_huge_mapcount()
2549 mapcount = compound_mapcount(page); in page_trans_huge_mapcount()
2550 ret += mapcount; in page_trans_huge_mapcount()
2551 _total_mapcount += mapcount; in page_trans_huge_mapcount()
[all …]
Drmap.c745 int mapcount; member
796 pra->mapcount--; in page_referenced_one()
809 if (!pra->mapcount) in page_referenced_one()
843 .mapcount = total_mapcount(page), in page_referenced()
1105 atomic_t *mapcount; in do_page_add_anon_rmap() local
1108 mapcount = compound_mapcount_ptr(page); in do_page_add_anon_rmap()
1109 first = atomic_inc_and_test(mapcount); in do_page_add_anon_rmap()
Dswapfile.c1469 int mapcount, swapcount = 0; in page_trans_huge_map_swapcount() local
1475 mapcount = page_trans_huge_mapcount(page, total_mapcount); in page_trans_huge_map_swapcount()
1480 return mapcount + swapcount; in page_trans_huge_map_swapcount()
1499 mapcount = atomic_read(&page[i]._mapcount) + 1; in page_trans_huge_map_swapcount()
1500 _total_mapcount += mapcount; in page_trans_huge_map_swapcount()
1505 map_swapcount = max(map_swapcount, mapcount + swapcount); in page_trans_huge_map_swapcount()
1512 mapcount = compound_mapcount(page); in page_trans_huge_map_swapcount()
1513 map_swapcount += mapcount; in page_trans_huge_map_swapcount()
1514 _total_mapcount += mapcount; in page_trans_huge_map_swapcount()
Dfilemap.c203 int mapcount; in unaccount_page_cache_page() local
211 mapcount = page_mapcount(page); in unaccount_page_cache_page()
213 page_count(page) >= mapcount + 2) { in unaccount_page_cache_page()
221 page_ref_sub(page, mapcount); in unaccount_page_cache_page()
/Linux-v4.19/drivers/xen/
Dxen-scsiback.c444 int mapcount = 0, i, err = 0; in scsiback_gnttab_data_map_list() local
449 if (get_free_page(pg + mapcount)) { in scsiback_gnttab_data_map_list()
450 put_free_pages(pg, mapcount); in scsiback_gnttab_data_map_list()
454 gnttab_set_map_op(&map[mapcount], vaddr_page(pg[mapcount]), in scsiback_gnttab_data_map_list()
456 mapcount++; in scsiback_gnttab_data_map_list()
457 if (mapcount < VSCSI_GRANT_BATCH) in scsiback_gnttab_data_map_list()
459 err = scsiback_gnttab_data_map_batch(map, pg, grant, mapcount); in scsiback_gnttab_data_map_list()
460 pg += mapcount; in scsiback_gnttab_data_map_list()
461 grant += mapcount; in scsiback_gnttab_data_map_list()
462 pending_req->n_grants += mapcount; in scsiback_gnttab_data_map_list()
[all …]
/Linux-v4.19/fs/proc/
Dtask_mmu.c457 int mapcount = page_mapcount(page); in smaps_account() local
459 if (mapcount >= 2) { in smaps_account()
464 mss->pss += (PAGE_SIZE << PSS_SHIFT) / mapcount; in smaps_account()
501 int mapcount; in smaps_pte_entry() local
504 mapcount = swp_swapcount(swpent); in smaps_pte_entry()
505 if (mapcount >= 2) { in smaps_pte_entry()
508 do_div(pss_delta, mapcount); in smaps_pte_entry()
691 int mapcount = page_mapcount(page); in smaps_hugetlb_range() local
693 if (mapcount >= 2) in smaps_hugetlb_range()
/Linux-v4.19/drivers/media/usb/stkwebcam/
Dstk-webcam.h45 int mapcount; member
Dstk-webcam.c523 buf->mapcount = 0; in stk_setup_siobuf()
545 if (dev->sio_bufs[i].mapcount > 0) in stk_free_sio_buffers()
745 sbuf->mapcount++; in stk_v4l_vm_open()
750 sbuf->mapcount--; in stk_v4l_vm_close()
751 if (sbuf->mapcount == 0) in stk_v4l_vm_close()
/Linux-v4.19/kernel/irq/
Dirqdomain.c511 domain->mapcount--; in irq_domain_disassociate()
557 domain->mapcount++; in irq_domain_associate()
1039 domain->mapcount++; in irq_domain_insert_irq()
1063 domain->mapcount--; in irq_domain_remove_irq()
1706 seq_printf(m, "%*smapped: %u\n", ind + 1, "", d->mapcount); in irq_domain_debug_show_one()
/Linux-v4.19/Documentation/vm/
Dtranshuge.rst145 This is optimization required to lower overhead of per-subpage mapcount
162 sum of mapcount of all sub-pages plus one (split_huge_page caller must
Dpage_migration.rst102 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-v4.19/include/linux/
Dirqdomain.h163 unsigned int mapcount; member
Dmm.h649 int mapcount = page_mapcount(page); in page_trans_huge_mapcount() local
651 *total_mapcount = mapcount; in page_trans_huge_mapcount()
652 return mapcount; in page_trans_huge_mapcount()
/Linux-v4.19/Documentation/cgroup-v1/
Dmemory.txt703 | And mapcount of the page is ignored (the page can be moved even if