diff options
Diffstat (limited to 'mm/hugetlb.c')
-rw-r--r-- | mm/hugetlb.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index d6f6d19958a5..e58f8001fd92 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -5540,7 +5540,7 @@ static vm_fault_t hugetlb_wp(struct mm_struct *mm, struct vm_area_struct *vma, const bool unshare = flags & FAULT_FLAG_UNSHARE; pte_t pte = huge_ptep_get(ptep); struct hstate *h = hstate_vma(vma); - struct page *old_page; + struct folio *old_folio; struct folio *new_folio; int outside_reserve = 0; vm_fault_t ret = 0; @@ -5571,7 +5571,7 @@ static vm_fault_t hugetlb_wp(struct mm_struct *mm, struct vm_area_struct *vma, return 0; } - old_page = pte_page(pte); + old_folio = page_folio(pte_page(pte)); delayacct_wpcopy_start(); @@ -5580,17 +5580,17 @@ retry_avoidcopy: * If no-one else is actually using this page, we're the exclusive * owner and can reuse this page. */ - if (page_mapcount(old_page) == 1 && PageAnon(old_page)) { - if (!PageAnonExclusive(old_page)) - page_move_anon_rmap(old_page, vma); + if (folio_mapcount(old_folio) == 1 && folio_test_anon(old_folio)) { + if (!PageAnonExclusive(&old_folio->page)) + page_move_anon_rmap(&old_folio->page, vma); if (likely(!unshare)) set_huge_ptep_writable(vma, haddr, ptep); delayacct_wpcopy_end(); return 0; } - VM_BUG_ON_PAGE(PageAnon(old_page) && PageAnonExclusive(old_page), - old_page); + VM_BUG_ON_PAGE(folio_test_anon(old_folio) && + PageAnonExclusive(&old_folio->page), &old_folio->page); /* * If the process that created a MAP_PRIVATE mapping is about to @@ -5602,10 +5602,10 @@ retry_avoidcopy: * of the full address range. */ if (is_vma_resv_set(vma, HPAGE_RESV_OWNER) && - page_folio(old_page) != pagecache_folio) + old_folio != pagecache_folio) outside_reserve = 1; - get_page(old_page); + folio_get(old_folio); /* * Drop page table lock as buddy allocator may be called. It will @@ -5627,7 +5627,7 @@ retry_avoidcopy: pgoff_t idx; u32 hash; - put_page(old_page); + folio_put(old_folio); /* * Drop hugetlb_fault_mutex and vma_lock before * unmapping. unmapping needs to hold vma_lock @@ -5642,7 +5642,7 @@ retry_avoidcopy: hugetlb_vma_unlock_read(vma); mutex_unlock(&hugetlb_fault_mutex_table[hash]); - unmap_ref_private(mm, vma, old_page, haddr); + unmap_ref_private(mm, vma, &old_folio->page, haddr); mutex_lock(&hugetlb_fault_mutex_table[hash]); hugetlb_vma_lock_read(vma); @@ -5672,7 +5672,7 @@ retry_avoidcopy: goto out_release_all; } - if (copy_user_large_folio(new_folio, page_folio(old_page), address, vma)) { + if (copy_user_large_folio(new_folio, old_folio, address, vma)) { ret = VM_FAULT_HWPOISON_LARGE; goto out_release_all; } @@ -5694,14 +5694,14 @@ retry_avoidcopy: /* Break COW or unshare */ huge_ptep_clear_flush(vma, haddr, ptep); mmu_notifier_invalidate_range(mm, range.start, range.end); - page_remove_rmap(old_page, vma, true); + page_remove_rmap(&old_folio->page, vma, true); hugepage_add_new_anon_rmap(new_folio, vma, haddr); if (huge_pte_uffd_wp(pte)) newpte = huge_pte_mkuffd_wp(newpte); set_huge_pte_at(mm, haddr, ptep, newpte); folio_set_hugetlb_migratable(new_folio); /* Make the old page be freed below */ - new_folio = page_folio(old_page); + new_folio = old_folio; } spin_unlock(ptl); mmu_notifier_invalidate_range_end(&range); @@ -5710,11 +5710,11 @@ out_release_all: * No restore in case of successful pagetable update (Break COW or * unshare) */ - if (new_folio != page_folio(old_page)) + if (new_folio != old_folio) restore_reserve_on_error(h, vma, haddr, new_folio); folio_put(new_folio); out_release_old: - put_page(old_page); + folio_put(old_folio); spin_lock(ptl); /* Caller expects lock to be held */ |