diff --git a/as_ops.c b/as_ops.c
index 393e9d1..df856df 100644
--- a/as_ops.c
+++ b/as_ops.c
@@ -309,9 +309,45 @@ int reiser4_releasepage(struct page *page, gfp_t gfp UNUSED_ARG)
 int reiser4_migratepage(struct address_space *mapping, struct page *newpage,
 			struct page *page, enum migrate_mode mode)
 {
-	/* TODO: implement movable mapping
+	int result;
+	jnode *node;
+
+	assert("intelfx-62", PageLocked(page));
+	assert("intelfx-63", !PageWriteback(page));
+	assert("intelfx-64", reiser4_schedulable());
+	assert("intelfx-65", page->mapping != NULL);
+	assert("intelfx-66", page->mapping->host != NULL);
+
+	if (!PagePrivate(page))
+		/*
+		 * anonymous, not yet captured page
+		 */
+		return migrate_page(mapping, newpage, page, mode);
+	/*
+	 * page has an attached jnode. That jnode should be
+	 * linked with the new page. Otherwise, everyone
+	 * calling jnode_page(), etc will get invalid data
 	 */
-	return -EIO;
+	node = jnode_by_page(page);
+	spin_lock_jnode(node);
+	spin_lock(&(node->load));
+
+	page_clear_jnode(page, node);
+	set_page_private(newpage, 0ul);
+
+	result = migrate_page(mapping, newpage, page, mode);
+	if (unlikely(result))
+		/*
+		 * migration failed - reattach the old page
+		 */
+		jnode_attach_page(node, page);
+	else
+		jnode_attach_page(node, newpage);
+	spin_unlock(&(node->load));
+	spin_unlock_jnode(node);
+
+	assert("intelfx-67", reiser4_schedulable());
+	return result;
 }
 #endif /* CONFIG_MIGRATION */