Searched refs:_mapcount (Results 1 – 11 of 11) sorted by relevance
| /Linux-v5.15/Documentation/vm/ |
| D | transhuge.rst | 120 - map/unmap of the pages with PTE entry increment/decrement ->_mapcount
125 ->_mapcount of all sub-pages in order to have race-free detection of
130 For anonymous pages, PageDoubleMap() also indicates ->_mapcount in all
136 tracking. The alternative is to alter ->_mapcount in all subpages on each
156 page->_mapcount of anonymous pages. File pages just get unmapped.
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| /Linux-v5.15/mm/ |
| D | rmap.c | 1139 first = atomic_inc_and_test(&page->_mapcount); in do_page_add_anon_rmap()
1198 atomic_set(&page->_mapcount, 0); in page_add_new_anon_rmap()
1221 if (atomic_inc_and_test(&page[i]._mapcount)) in page_add_file_rmap()
1242 if (!atomic_inc_and_test(&page->_mapcount)) in page_add_file_rmap()
1268 if (atomic_add_negative(-1, &page[i]._mapcount)) in page_remove_file_rmap()
1280 if (!atomic_add_negative(-1, &page->_mapcount)) in page_remove_file_rmap()
1317 if (atomic_add_negative(-1, &page[i]._mapcount)) in page_remove_anon_compound_rmap()
1361 if (!atomic_add_negative(-1, &page->_mapcount)) in page_remove_rmap()
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| D | util.c | 683 return atomic_read(&page->_mapcount) >= 0; in page_mapped()
690 if (atomic_read(&page[i]._mapcount) >= 0) in page_mapped()
738 ret = atomic_read(&page->_mapcount) + 1; in __page_mapcount()
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| D | huge_memory.c | 2105 atomic_inc(&page[i]._mapcount); in __split_huge_pmd_locked()
2117 atomic_inc(&page[i]._mapcount); in __split_huge_pmd_locked()
2128 atomic_dec(&page[i]._mapcount); in __split_huge_pmd_locked()
2345 VM_BUG_ON_PAGE(atomic_read(&page_tail->_mapcount) != -1, page_tail); in __split_huge_page_tail()
2503 return atomic_read(&page->_mapcount) + 1; in total_mapcount()
2511 ret += atomic_read(&page[i]._mapcount) + 1; in total_mapcount()
2552 mapcount = atomic_read(&page->_mapcount) + 1; in page_trans_huge_mapcount()
2562 mapcount = atomic_read(&page[i]._mapcount) + 1; in page_trans_huge_mapcount()
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| D | page_alloc.c | 1160 if (unlikely(atomic_read(&page->_mapcount) != -1)) in page_expected_state()
1178 if (unlikely(atomic_read(&page->_mapcount) != -1)) in page_bad_reason()
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| D | swapfile.c | 1642 mapcount = atomic_read(&page[i]._mapcount) + 1; in page_trans_huge_map_swapcount()
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| /Linux-v5.15/include/linux/ |
| D | rmap.h | 185 atomic_inc(compound ? compound_mapcount_ptr(page) : &page->_mapcount); in page_dup_rmap()
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| D | mm_types.h | 201 atomic_t _mapcount; member
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| D | mm.h | 860 atomic_set(&(page)->_mapcount, -1); in page_mapcount_reset()
877 return atomic_read(&page->_mapcount) + 1; in page_mapcount()
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| /Linux-v5.15/kernel/ |
| D | crash_core.c | 434 VMCOREINFO_OFFSET(page, _mapcount); in crash_save_vmcoreinfo_init()
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| /Linux-v5.15/Documentation/admin-guide/kdump/ |
| D | vmcoreinfo.rst | 144 (page, flags|_refcount|mapping|lru|_mapcount|private|compound_dtor|compound_order|compound_head)
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