-/*
- * This pipe is used to inform the thread managing application notify
- * communication that a command is queued and ready to be processed.
- */
-extern int apps_cmd_notify_pipe[2];
-
-/*
- * Used to notify that a hash table needs to be destroyed by dedicated
- * thread. Required by design because we don't want to move destroy
- * paths outside of large RCU read-side lock paths, and destroy cannot
- * be called by call_rcu thread, because it may hang (waiting for
- * call_rcu completion).
- */
-extern int ht_cleanup_pipe[2];
-
-extern int kernel_poll_pipe[2];