mm: remove references to page_add_new_anon_rmap in comments

Refer to folio_add_new_anon_rmap() instead.

Link: https://lkml.kernel.org/r/20231211162214.2146080-7-willy@infradead.orgSigned-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

mm/rmap.c

@@ -1231,9 +1231,9 @@ static void __page_check_anon_rmap(struct folio *folio, struct page *page,
 	 * We have exclusion against page_add_anon_rmap because the caller
 	 * always holds the page locked.
 	 *
-	 * We have exclusion against page_add_new_anon_rmap because those pages
+	 * We have exclusion against folio_add_new_anon_rmap because those pages
 	 * are initially only visible via the pagetables, and the pte is locked
-	 * over the call to page_add_new_anon_rmap.
+	 * over the call to folio_add_new_anon_rmap.
 	 */
 	VM_BUG_ON_FOLIO(folio_anon_vma(folio)->root != vma->anon_vma->root,
 			folio);