Index: views.module
===================================================================
--- views.module	(revision 4408)
+++ views.module	(working copy)
@@ -179,7 +179,10 @@
  * overly intensive.
  */
 function views_get_all_urls() {
-  $cache = cache_get("views_urls", 'cache_views');
+  static $cache;
+  if (!isset($cache)) {
+    $cache = cache_get("views_urls", 'cache_views');
+  }
   if ($cache == 0) {
     $views = array();
     $used = array();
@@ -910,15 +913,21 @@
  */
 function _views_load_view($arg) {
   static $cache = array();
+  static $cache_null;
+  
   $which = is_numeric($arg) ? 'vid' : 'name';
   if (isset($cache[$which][$arg])) {
     return $cache[$which][$arg];
   }
+  if (isset($cache_null)) {
+    return NULL;
+  }
 
   $where = (is_numeric($arg) ? "v.vid =  %d" : "v.name = '%s'");
   $view = db_fetch_object(db_query("SELECT v.* FROM {view_view} v WHERE $where", $arg));
 
   if (!$view->name) {
+    $cache_null = $which .'-'. $arg;
     return NULL;
   }