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sched: Hook sched_balance_self() into sched_class::select_task_rq()

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Rather ugly patch to fully place the sched_balance_self() code
inside the fair class.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra
2009-09-10 13:42:00 +02:00
committed by Ingo Molnar
parent aaee1203ca
commit 5f3edc1b1e
5 changed files with 20 additions and 11 deletions
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7
kernel/sched_fair.c
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@@ -1300,7 +1300,9 @@ wake_affine(struct sched_domain *this_sd, struct rq *this_rq,
return 0;
}
static int select_task_rq_fair(struct task_struct *p, int sync)
static int sched_balance_self(int cpu, int flag);
static int select_task_rq_fair(struct task_struct *p, int flag, int sync)
{
struct sched_domain *sd, *this_sd = NULL;
int prev_cpu, this_cpu, new_cpu;
@@ -1314,6 +1316,9 @@ static int select_task_rq_fair(struct task_struct *p, int sync)
this_rq = cpu_rq(this_cpu);
new_cpu = prev_cpu;
if (flag != SD_BALANCE_WAKE)
return sched_balance_self(this_cpu, flag);
/*
* 'this_sd' is the first domain that both
* this_cpu and prev_cpu are present in: