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Searched refs:_mapcount (Results 1 – 12 of 12) sorted by relevance

/OK3568_Linux_fs/kernel/Documentation/vm/
H A Dtranshuge.rst125 - map/unmap of the pages with PTE entry increment/decrement ->_mapcount
130 ->_mapcount of all sub-pages in order to have race-free detection of
135 For anonymous pages, PageDoubleMap() also indicates ->_mapcount in all
141 tracking. The alternative is to alter ->_mapcount in all subpages on each
161 page->_mapcount of anonymous pages. File pages just get unmapped.
/OK3568_Linux_fs/kernel/mm/
H A Drmap.c1151 first = atomic_inc_and_test(&page->_mapcount); in do_page_add_anon_rmap()
1209 atomic_set(&page->_mapcount, 0); in __page_add_new_anon_rmap()
1238 if (atomic_inc_and_test(&page[i]._mapcount)) in page_add_file_rmap()
1262 if (!atomic_inc_and_test(&page->_mapcount)) in page_add_file_rmap()
1295 if (atomic_add_negative(-1, &page[i]._mapcount)) in page_remove_file_rmap()
1312 if (!atomic_add_negative(-1, &page->_mapcount)) in page_remove_file_rmap()
1358 if (atomic_add_negative(-1, &page[i]._mapcount)) in page_remove_anon_compound_rmap()
1411 if (!atomic_add_negative(-1, &page->_mapcount)) in page_remove_rmap()
H A Dutil.c710 return atomic_read(&page->_mapcount) >= 0; in page_mapped()
717 if (atomic_read(&page[i]._mapcount) >= 0) in page_mapped()
775 ret = atomic_read(&page->_mapcount) + 1; in __page_mapcount()
H A Dhuge_memory.c2172 atomic_inc(&page[i]._mapcount); in __split_huge_pmd_locked()
2188 atomic_inc(&page[i]._mapcount); in __split_huge_pmd_locked()
2202 atomic_dec(&page[i]._mapcount); in __split_huge_pmd_locked()
2396 VM_BUG_ON_PAGE(atomic_read(&page_tail->_mapcount) != -1, page_tail); in __split_huge_page_tail()
2551 return atomic_read(&page->_mapcount) + 1; in total_mapcount()
2559 ret += atomic_read(&page[i]._mapcount) + 1; in total_mapcount()
2600 mapcount = atomic_read(&page->_mapcount) + 1; in page_trans_huge_mapcount()
2610 mapcount = atomic_read(&page[i]._mapcount) + 1; in page_trans_huge_mapcount()
H A Dpage_alloc.c1153 if (unlikely(atomic_read(&page->_mapcount) != -1)) in page_expected_state()
1171 if (unlikely(atomic_read(&page->_mapcount) != -1)) in page_bad_reason()
H A Dswapfile.c1688 mapcount = atomic_read(&page[i]._mapcount) + 1; in page_trans_huge_map_swapcount()
/OK3568_Linux_fs/kernel/include/linux/
H A Drmap.h211 atomic_inc(compound ? compound_mapcount_ptr(page) : &page->_mapcount); in page_dup_rmap()
H A Dpage-flags.h671 return atomic_read(&page->_mapcount) < 0; in PageTransCompoundMap()
675 return atomic_read(&page->_mapcount) == in PageTransCompoundMap()
H A Dmm_types.h187 atomic_t _mapcount; member
H A Dmm.h877 atomic_set(&(page)->_mapcount, -1); in page_mapcount_reset()
894 return atomic_read(&page->_mapcount) + 1; in page_mapcount()
/OK3568_Linux_fs/kernel/kernel/
H A Dcrash_core.c479 VMCOREINFO_OFFSET(page, _mapcount); in crash_save_vmcoreinfo_init()
/OK3568_Linux_fs/kernel/Documentation/admin-guide/kdump/
H A Dvmcoreinfo.rst138 (page, flags|_refcount|mapping|lru|_mapcount|private|compound_dtor|compound_order|compound_head)