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sched: fair-group: de-couple load-balancing from the rb-trees

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De-couple load-balancing from the rb-trees, so that I can change their
organization.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra
2008-04-19 19:45:00 +02:00
committed by Ingo Molnar
parent ac884dec6d
commit 4a55bd5e97
4 changed files with 25 additions and 10 deletions
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10
kernel/sched.c
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@@ -384,8 +384,12 @@ struct cfs_rq {
struct rb_root tasks_timeline;
struct rb_node *rb_leftmost;
struct rb_node *rb_load_balance_curr;
/* 'curr' points to currently running entity on this cfs_rq.
struct list_head tasks;
struct list_head *balance_iterator;
/*
* 'curr' points to currently running entity on this cfs_rq.
* It is set to NULL otherwise (i.e when none are currently running).
*/
struct sched_entity *curr, *next;
@@ -2525,6 +2529,7 @@ static void __sched_fork(struct task_struct *p)
INIT_LIST_HEAD(&p->rt.run_list);
p->se.on_rq = 0;
INIT_LIST_HEAD(&p->se.group_node);
#ifdef CONFIG_PREEMPT_NOTIFIERS
INIT_HLIST_HEAD(&p->preempt_notifiers);
@@ -7898,6 +7903,7 @@ int in_sched_functions(unsigned long addr)
static void init_cfs_rq(struct cfs_rq *cfs_rq, struct rq *rq)
{
cfs_rq->tasks_timeline = RB_ROOT;
INIT_LIST_HEAD(&cfs_rq->tasks);
#ifdef CONFIG_FAIR_GROUP_SCHED
cfs_rq->rq = rq;
#endif