Messages in this thread Patch in this message | | | Date | Tue, 29 Nov 2011 23:42:29 -0600 | From | Heechul Yun <> | Subject | [PATCH] sched: Proper initialization of root_task_group |
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Hi,
The following patch fix a initialization issue.
Thanks
Heechul
--- The root_task_group.cfs_bandwidth and root_task_group.shares were initialized multiple times unnecessarily which are corrected by this patch.
Signed-off-by: Heechul Yun <heechul@illinois.edu> --- kernel/sched/core.c | 7 +++++-- 1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index ca8fd44..0ed6978 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6772,6 +6772,11 @@ void __init sched_init(void) autogroup_init(&init_task); #endif /* CONFIG_CGROUP_SCHED */ +#ifdef CONFIG_FAIR_GROUP_SCHED + root_task_group.shares = ROOT_TASK_GROUP_LOAD; + init_cfs_bandwidth(&root_task_group.cfs_bandwidth); +#endif /* CONFIG_FAIR_GROUP_SCHED */ + for_each_possible_cpu(i) { struct rq *rq; @@ -6783,7 +6788,6 @@ void __init sched_init(void) init_cfs_rq(&rq->cfs); init_rt_rq(&rq->rt, rq); #ifdef CONFIG_FAIR_GROUP_SCHED - root_task_group.shares = ROOT_TASK_GROUP_LOAD; INIT_LIST_HEAD(&rq->leaf_cfs_rq_list); /* * How much cpu bandwidth does root_task_group get? @@ -6804,7 +6808,6 @@ void __init sched_init(void) * We achieve this by letting root_task_group's tasks sit * directly in rq->cfs (i.e root_task_group->se[] = NULL). */ - init_cfs_bandwidth(&root_task_group.cfs_bandwidth); init_tg_cfs_entry(&root_task_group, &rq->cfs, NULL, i, NULL); #endif /* CONFIG_FAIR_GROUP_SCHED */ -- 1.7.5.4
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