From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267588AbUHRUSt (ORCPT ); Wed, 18 Aug 2004 16:18:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267591AbUHRUSt (ORCPT ); Wed, 18 Aug 2004 16:18:49 -0400 Received: from mx1.redhat.com ([66.187.233.31]:44441 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S267588AbUHRUSs (ORCPT ); Wed, 18 Aug 2004 16:18:48 -0400 From: David Howells To: torvalds@osdl.org, akpm@osdl.org cc: linux-kernel@vger.kernel.org Subject: Splitting task-group stuff from task_struct User-Agent: EMH/1.14.1 SEMI/1.14.5 (Awara-Onsen) FLIM/1.14.5 (Demachiyanagi) APEL/10.6 Emacs/21.3 (i386-redhat-linux-gnu) MULE/5.0 (SAKAKI) MIME-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII Date: Wed, 18 Aug 2004 21:18:44 +0100 Message-ID: <28551.1092860324@redhat.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Linus, Andrew, Would you have any objection to task-group specific stuff being split from the task_struct and placed into a refcounted structure of its own and shared upon CLONE_THREAD. The fields I'm thinking of include: struct linux_binfmt *binfmt unsigned long personality pid_t tgid struct task_struct *group_leader u32 parent_exec_id; u32 self_exec_id; Should process credentials be shared? I could then add the process/session keyring pointers from my patch to it too. David