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> --- a/mm/memory.c > +++ b/mm/memory.c > @@ -2967,20 +2967,20 @@ static vm_fault_t fault_dirty_shared_page(struct vm_fault *vmf) > { > struct vm_area_struct *vma = vmf->vma; > struct address_space *mapping; > - struct page *page = vmf->page; > + struct folio *folio = page_folio(vmf->page); > bool dirtied; > bool page_mkwrite = vma->vm_ops && vma->vm_ops->page_mkwrite; > > - dirtied = set_page_dirty(page); > - VM_BUG_ON_PAGE(PageAnon(page), page); > + dirtied = folio_mark_dirty(folio); > + VM_BUG_ON_FOLIO(folio_test_anon(folio), folio); > /* > * Take a local copy of the address_space - page.mapping may be zeroed > * by truncate after unlock_page(). The address_space itself remains > * pinned by vma->vm_file's reference. We rely on unlock_page()'s > * release semantics to prevent the compiler from undoing this copying. > */ > - mapping = folio_raw_mapping(page_folio(page)); > - unlock_page(page); > + mapping = folio_raw_mapping(folio); > + folio_unlock(folio); > > if (!page_mkwrite) > file_update_time(vma->vm_file); Reviewed-by: Sidhartha Kumar