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sched: cleanup old and rarely used 'debug' features.

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TREE_AVG and APPROX_AVG are initial task placement policies that have been
disabled for a long while.. time to remove them.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
CC: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra
2008-03-21 16:43:47 +01:00
committed by Ingo Molnar
parent ae51801ba5
commit 2070ee01d3
2 changed files with 2 additions and 20 deletions
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14
kernel/sched_fair.c
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@@ -302,11 +302,6 @@ static u64 __sched_vslice(unsigned long rq_weight, unsigned long nr_running)
return vslice;
}
static u64 sched_vslice(struct cfs_rq *cfs_rq)
{
return __sched_vslice(cfs_rq->load.weight, cfs_rq->nr_running);
}
static u64 sched_vslice_add(struct cfs_rq *cfs_rq, struct sched_entity *se)
{
return __sched_vslice(cfs_rq->load.weight + se->load.weight,
@@ -504,15 +499,6 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial)
} else
vruntime = cfs_rq->min_vruntime;
if (sched_feat(TREE_AVG)) {
struct sched_entity *last = __pick_last_entity(cfs_rq);
if (last) {
vruntime += last->vruntime;
vruntime >>= 1;
}
} else if (sched_feat(APPROX_AVG) && cfs_rq->nr_running)
vruntime += sched_vslice(cfs_rq)/2;
/*
* The 'current' period is already promised to the current tasks,
* however the extra weight of the new task will slow them down a