diff options
| author |   Ingo Molnar <mingo@elte.hu> | 2007-10-15 17:00:11 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2007-10-15 17:00:11 +0200 |
| commit | 94359f05cb7e1fed0deccc83ebc30a1175a9ae16 (patch) | |
| tree | b187343db9950f9396f832318d061106a9592d41 | |
| parent | sched: remove last_min_vruntime effect (diff) | |
| download | linux-dev-94359f05cb7e1fed0deccc83ebc30a1175a9ae16.tar.xz linux-dev-94359f05cb7e1fed0deccc83ebc30a1175a9ae16.zip | |
sched: undo some of the recent changes
undo some of the recent changes that are not needed after all,
such as last_min_vruntime.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Diffstat (limited to '')
| -rw-r--r-- | include/linux/sched.h | 1 | ||||
| -rw-r--r-- | kernel/sched.c | 1 | ||||
| -rw-r--r-- | kernel/sched_fair.c | 13 |
3 files changed, 3 insertions, 12 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index d74830cc51eb..2c33227b0f82 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -908,7 +908,6 @@ struct sched_entity { u64 sum_exec_runtime; u64 vruntime; u64 prev_sum_exec_runtime; - u64 last_min_vruntime; #ifdef CONFIG_SCHEDSTATS u64 wait_start; diff --git a/kernel/sched.c b/kernel/sched.c index c779bf9d3552..744bd5050f10 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -1616,7 +1616,6 @@ static void __sched_fork(struct task_struct *p) p->se.exec_start = 0; p->se.sum_exec_runtime = 0; p->se.prev_sum_exec_runtime = 0; - p->se.last_min_vruntime = 0; #ifdef CONFIG_SCHEDSTATS p->se.wait_start = 0; diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 0228de186503..62a9ee8db13e 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -480,14 +480,9 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial) vruntime += __sched_vslice(cfs_rq->nr_running + 1); if (!initial) { - if (sched_feat(NEW_FAIR_SLEEPERS)) { - s64 latency = cfs_rq->min_vruntime - se->vruntime; - if (latency < 0 || !cfs_rq->nr_running) - latency = 0; - else - latency = min_t(s64, latency, sysctl_sched_latency); - vruntime -= latency; - } + if (sched_feat(NEW_FAIR_SLEEPERS)) + vruntime -= sysctl_sched_latency; + vruntime = max(vruntime, se->vruntime); } @@ -531,8 +526,6 @@ dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int sleep) se->block_start = rq_of(cfs_rq)->clock; } #endif - /* se->vruntime = entity_key(cfs_rq, se); */ - se->last_min_vruntime = cfs_rq->min_vruntime; } if (se != cfs_rq->curr) |