diff --git a/Documentation/vm/remap_file_pages.txt b/Documentation/vm/remap_file_pages.txt
index f609142f406a1a4dcedb335af8e50cb760c14a63..7bef6718e3a90e7fc80b31d6c121e870e9bbda16 100644
--- a/Documentation/vm/remap_file_pages.txt
+++ b/Documentation/vm/remap_file_pages.txt
@@ -1,3 +1,9 @@
+.. _remap_file_pages:
+
+==============================
+remap_file_pages() system call
+==============================
+
 The remap_file_pages() system call is used to create a nonlinear mapping,
 that is, a mapping in which the pages of the file are mapped into a
 nonsequential order in memory. The advantage of using remap_file_pages()