diff options
Diffstat (limited to 'mm/rmap.c')
| -rw-r--r-- | mm/rmap.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 83cc459edc40..1b84945d655c 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1205,7 +1205,7 @@ void page_add_file_rmap(struct page *page, bool compound) VM_BUG_ON_PAGE(compound && !PageTransHuge(page), page); lock_page_memcg(page); if (compound && PageTransHuge(page)) { - for (i = 0, nr = 0; i < HPAGE_PMD_NR; i++) { + for (i = 0, nr = 0; i < thp_nr_pages(page); i++) { if (atomic_inc_and_test(&page[i]._mapcount)) nr++; } @@ -1246,7 +1246,7 @@ static void page_remove_file_rmap(struct page *page, bool compound) /* page still mapped by someone else? */ if (compound && PageTransHuge(page)) { - for (i = 0, nr = 0; i < HPAGE_PMD_NR; i++) { + for (i = 0, nr = 0; i < thp_nr_pages(page); i++) { if (atomic_add_negative(-1, &page[i]._mapcount)) nr++; } @@ -1293,7 +1293,7 @@ static void page_remove_anon_compound_rmap(struct page *page) * Subpages can be mapped with PTEs too. Check how many of * them are still mapped. */ - for (i = 0, nr = 0; i < HPAGE_PMD_NR; i++) { + for (i = 0, nr = 0; i < thp_nr_pages(page); i++) { if (atomic_add_negative(-1, &page[i]._mapcount)) nr++; } @@ -1303,10 +1303,10 @@ static void page_remove_anon_compound_rmap(struct page *page) * page of the compound page is unmapped, but at least one * small page is still mapped. */ - if (nr && nr < HPAGE_PMD_NR) + if (nr && nr < thp_nr_pages(page)) deferred_split_huge_page(page); } else { - nr = HPAGE_PMD_NR; + nr = thp_nr_pages(page); } if (unlikely(PageMlocked(page))) @@ -1511,9 +1511,14 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma, */ entry = make_migration_entry(page, 0); swp_pte = swp_entry_to_pte(entry); - if (pte_soft_dirty(pteval)) + + /* + * pteval maps a zone device page and is therefore + * a swap pte. + */ + if (pte_swp_soft_dirty(pteval)) swp_pte = pte_swp_mksoft_dirty(swp_pte); - if (pte_uffd_wp(pteval)) + if (pte_swp_uffd_wp(pteval)) swp_pte = pte_swp_mkuffd_wp(swp_pte); set_pte_at(mm, pvmw.address, pvmw.pte, swp_pte); /* |