diff --git a/mm/huge_memory.c b/mm/huge_memory.c index aa022455613261..76ead290f1c82b 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1377,6 +1377,7 @@ vm_fault_t do_huge_pmd_wp_page(struct vm_fault *vmf) pmd_t entry; page_move_anon_rmap(page, vma); + SetPageAnonExclusive(page); folio_unlock(folio); reuse: if (unlikely(unshare)) { diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 2878e0e6bac5c8..35d924f7497231 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -5652,8 +5652,10 @@ static vm_fault_t hugetlb_wp(struct mm_struct *mm, struct vm_area_struct *vma, * owner and can reuse this page. */ if (folio_mapcount(old_folio) == 1 && folio_test_anon(old_folio)) { - if (!PageAnonExclusive(&old_folio->page)) + if (!PageAnonExclusive(&old_folio->page)) { page_move_anon_rmap(&old_folio->page, vma); + SetPageAnonExclusive(&old_folio->page); + } if (likely(!unshare)) set_huge_ptep_writable(vma, haddr, ptep); diff --git a/mm/memory.c b/mm/memory.c index 7f42d839076c95..9ac601c591feba 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3484,6 +3484,7 @@ static vm_fault_t do_wp_page(struct vm_fault *vmf) * sunglasses. Hit it. */ page_move_anon_rmap(vmf->page, vma); + SetPageAnonExclusive(vmf->page); folio_unlock(folio); reuse: if (unlikely(unshare)) { diff --git a/mm/rmap.c b/mm/rmap.c index c6bb2339e35b26..6f1ea1491118c5 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1152,7 +1152,6 @@ void page_move_anon_rmap(struct page *page, struct vm_area_struct *vma) * folio_test_anon()) will not see one without the other. */ WRITE_ONCE(folio->mapping, anon_vma); - SetPageAnonExclusive(page); } /**