| From 35cf4e50b16331def6cfcbee11e49270b6db07f5 Mon Sep 17 00:00:00 2001 |
| From: Mike Galbraith <efault@gmx.de> |
| Date: Tue, 7 Aug 2012 05:00:13 +0200 |
| Subject: sched,cgroup: Fix up task_groups list |
| |
| From: Mike Galbraith <efault@gmx.de> |
| |
| commit 35cf4e50b16331def6cfcbee11e49270b6db07f5 upstream. |
| |
| With multiple instances of task_groups, for_each_rt_rq() is a noop, |
| no task groups having been added to the rt.c list instance. This |
| renders __enable/disable_runtime() and print_rt_stats() noop, the |
| user (non) visible effect being that rt task groups are missing in |
| /proc/sched_debug. |
| |
| Signed-off-by: Mike Galbraith <efault@gmx.de> |
| Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> |
| Link: http://lkml.kernel.org/r/1344308413.6846.7.camel@marge.simpson.net |
| Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| 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 |
| @@ -7011,6 +7011,7 @@ 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 |
