diff options
| -rw-r--r-- | mm/huge_memory.c | 1 | ||||
| -rw-r--r-- | mm/hugetlb.c | 4 | ||||
| -rw-r--r-- | mm/memory.c | 1 | ||||
| -rw-r--r-- | mm/rmap.c | 1 |
4 files changed, 5 insertions, 2 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index aa0224556132..76ead290f1c8 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 2878e0e6bac5..35d924f74972 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -5652,8 +5652,10 @@ retry_avoidcopy: * 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 ceffe96f2a0e..21fba1c9a6c7 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3481,6 +3481,7 @@ 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 c6bb2339e35b..6f1ea1491118 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); } /** |