From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754665Ab2AaS6W (ORCPT ); Tue, 31 Jan 2012 13:58:22 -0500 Received: from mail-we0-f194.google.com ([74.125.82.194]:42543 "EHLO mail-we0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754446Ab2AaS6V (ORCPT ); Tue, 31 Jan 2012 13:58:21 -0500 MIME-Version: 1.0 Date: Tue, 31 Jan 2012 19:58:19 +0100 Message-ID: Subject: An alternative for tasklist_lock in a module? From: "Arokux B." To: Andrew Morton , Christoph Hellwig Cc: linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, (for learning purposes) I would like to iterate through all the tasks in a module and output different information about them. For this task I need to lock the list of all tasks (need I?). I've seen some example in the kernel code which lock tasklist_lock. However this symbol cannot be used by modules. Its export was removed by c59923a15c12d2b3597af913bf234a0ef264a38b commit. Is there any other way I can lock the list of tasks then? Or I'm supposed not to use this list at all? Thanks