--- openafs-1.4.3rc2/src/rx/LINUX/rx_knet.c.orig	2007-02-25 14:35:51.000000000 +0100
+++ openafs-1.4.3rc2/src/rx/LINUX/rx_knet.c	2007-02-25 14:37:55.000000000 +0100
@@ -204,24 +204,34 @@
 
     return code;
 }
+#ifdef EXPORTED_TASKLIST_LOCK
 extern rwlock_t tasklist_lock __attribute__((weak));
+#endif
 void
 osi_StopListener(void)
 {
     struct task_struct *listener;
     extern int rxk_ListenerPid;
 
+#ifdef EXPORTED_TASKLIST_LOCK
     if (&tasklist_lock)
       read_lock(&tasklist_lock);
+#endif
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
+#ifdef EXPORTED_TASKLIST_LOCK
     else
+#endif
       rcu_read_lock();
 #endif
     listener = find_task_by_pid(rxk_ListenerPid);
+#ifdef EXPORTED_TASKLIST_LOCK
     if (&tasklist_lock)
        read_unlock(&tasklist_lock);
+#endif
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
+#ifdef EXPORTED_TASKLIST_LOCK
     else
+#endif
       rcu_read_unlock();
 #endif
     while (rxk_ListenerPid) {