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Searched refs:mapcount (Results 1 – 9 of 9) sorted by relevance

/linux/include/trace/events/
H A Dpage_ref.h23 __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/mm/
H A Ddebug.c74 int mapcount = atomic_read(&page->_mapcount) + 1; in __dump_folio() local
77 if (page_mapcount_is_type(mapcount)) in __dump_folio()
78 mapcount = 0; in __dump_folio()
81 folio_ref_count(folio), mapcount, mapping, in __dump_folio()
H A Drmap.c908 int mapcount; member
931 pra->mapcount--; in folio_referenced_one()
997 pra->mapcount -= nr; in folio_referenced_one()
1022 if (!pra->mapcount) in folio_referenced_one()
1069 .mapcount = folio_mapcount(folio), in folio_referenced()
1082 if (!pra.mapcount) in folio_referenced()
H A Dfilemap.c164 int mapcount = folio_mapcount(folio); in filemap_unaccount_folio() local
166 if (folio_ref_count(folio) >= mapcount + 2) { in filemap_unaccount_folio()
174 folio_ref_sub(folio, mapcount); in filemap_unaccount_folio()
/linux/Documentation/translations/zh_CN/mm/
H A Dpage_migration.rst80 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/kernel/irq/
H A Dirqdomain.c660 domain->mapcount--; in irq_domain_disassociate()
702 domain->mapcount++; in irq_domain_associate_locked()
1326 domain->mapcount++; in irq_domain_insert_irq()
1346 domain->mapcount--; in irq_domain_remove_irq()
2105 seq_printf(m, "%*smapped: %u\n", ind + 1, "", d->mapcount); in irq_domain_debug_show_one()
/linux/include/linux/
H A Dmm.h1869 int mapcount; in folio_mapcount() local
1872 mapcount = atomic_read(&folio->_mapcount) + 1; in folio_mapcount()
1873 if (page_mapcount_is_type(mapcount)) in folio_mapcount()
1874 mapcount = 0; in folio_mapcount()
1875 return mapcount; in folio_mapcount()
2858 int mapcount = folio_mapcount(folio); in folio_maybe_mapped_shared() local
2862 return mapcount > 1; in folio_maybe_mapped_shared()
2877 if (mapcount <= 1) in folio_maybe_mapped_shared()
H A Dpage-flags.h936 static inline bool page_mapcount_is_type(unsigned int mapcount) in page_mapcount_is_type() argument
938 return page_type_has_type(mapcount - 1); in page_mapcount_is_type()
/linux/Documentation/admin-guide/
H A Dkernel-parameters.txt774 mapcount/refcount, memcg_data, etc.).