--- realname.module	Mon Sep 1 23:40:18 2008 UTC
+++ realname.module	Wed Sep 3 00:38:30 2008 UTC
@@ -154,6 +136,11 @@
  *   The constructed "real name" string.
  */
 function realname_make_name(&$account) {
+  static $users = array();
+  if (isset($users[$account->uid])) {
+    return $users[$account->uid];
+  }
+
   $fields = variable_get('realname_fields', array());
   $pattern = variable_get('realname_pattern', ' ');
 
@@ -182,6 +169,7 @@
 
   // TODO: Make a pattern, rather than hard separator.
   $string = trim(strtr($pattern, $stuff));
+  $users[$account->uid] = $string;
   return $string;
 }
 
@@ -206,7 +194,7 @@
     $ret = strcmp($a['title'], $b['title']);
   }
 
-  return $ret;   
+  return $ret;
 }
 
 /**