From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752402Ab2DGI6w (ORCPT ); Sat, 7 Apr 2012 04:58:52 -0400 Received: from mailout-de.gmx.net ([213.165.64.22]:60790 "HELO mailout-de.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751588Ab2DGI6u (ORCPT ); Sat, 7 Apr 2012 04:58:50 -0400 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX198/LMrR0p8vKOM2cMuV4bDF/6JM6o7L7+yoPS0Iq UCt+8oqGE3bYOH Message-ID: <1333789124.12677.15.camel@marge.simpson.net> Subject: [patch] sched,cgroup_sched: fix up task_groups list buglet From: Mike Galbraith To: LKML Cc: Peter Zijlstra , Ingo Molnar Date: Sat, 07 Apr 2012 10:58:44 +0200 In-Reply-To: <1333444788.9072.9.camel@marge.simpson.net> References: <1333444106.9072.4.camel@marge.simpson.net> <1333444788.9072.9.camel@marge.simpson.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.1 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2012-04-03 at 11:19 +0200, Mike Galbraith wrote: > ec514c48 made rt queues invisible in sched_debug, restore visibility. removing their cloak of invisibility might be a tad better than just making them visible while futzing with annoying RT_GROUP_SCHED throttle. sched,cgroup_sched: fix up task_groups list Oops happened during sched migration to kernel/sched, fix it up. Signed-off-by: Mike Galbraith Cc: stable@kernel.org # v3.3 --- kernel/sched/core.c | 1 + kernel/sched/sched.h | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6871,6 +6871,7 @@ int in_sched_functions(unsigned long add #ifdef CONFIG_CGROUP_SCHED struct task_group root_task_group; +LIST_HEAD(task_groups); #endif DECLARE_PER_CPU(cpumask_var_t, load_balance_tmpmask); --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -80,7 +80,7 @@ extern struct mutex sched_domains_mutex; struct cfs_rq; struct rt_rq; -static LIST_HEAD(task_groups); +extern struct list_head task_groups; struct cfs_bandwidth { #ifdef CONFIG_CFS_BANDWIDTH