mm: remove some calls to page_add_new_anon_rmap()

We already have the folio in these functions, we just need to use it. 
folio_add_new_anon_rmap() didn't exist at the time they were converted to
folios.

Link: https://lkml.kernel.org/r/20231211162214.2146080-5-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index 9ec814e..203cda9 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -116,7 +116,7 @@ int mfill_atomic_install_pte(pmd_t *dst_pmd,
 			folio_add_lru(folio);
 		page_add_file_rmap(page, dst_vma, false);
 	} else {
-		page_add_new_anon_rmap(page, dst_vma, dst_addr);
+		folio_add_new_anon_rmap(folio, dst_vma, dst_addr);
 		folio_add_lru_vma(folio, dst_vma);
 	}