The patch titled
sched: modification of TASK_PREEMPTS_CURRENT to avoid redundant reschedules (e.g. in set_user_nice) (update)
has been removed from the -mm tree. Its filename was
sched-redundant-reschedule-when-set_user_nice-boosts-a-prio-of-a-task-from-the-expired-array-update.patch
This patch was dropped because it was folded into sched-redundant-reschedule-when-set_user_nice-boosts-a-prio-of-a-task-from-the-expired-array.patch
------------------------------------------------------
Subject: sched: modification of TASK_PREEMPTS_CURRENT to avoid redundant reschedules (e.g. in set_user_nice) (update)
Signed-off-by: Dmitry Adamushko <dmitry.adamushko@xxxxxxxxx>
Cc: Con Kolivas <kernel@xxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sched.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff -puN kernel/sched.c~sched-redundant-reschedule-when-set_user_nice-boosts-a-prio-of-a-task-from-the-expired-array-update kernel/sched.c
--- a/kernel/sched.c~sched-redundant-reschedule-when-set_user_nice-boosts-a-prio-of-a-task-from-the-expired-array-update
+++ a/kernel/sched.c
@@ -4102,7 +4102,8 @@ void rt_mutex_setprio(struct task_struct
* our priority decreased, or if our priority became higher
* than the current's.
*/
- if (TASK_PREEMPTS_CURR(p, rq) || (delta > 0 && task_running(rq, p)))
+ if (TASK_PREEMPTS_CURR(p, rq) ||
+ (delta > 0 && task_running(rq, p)))
resched_task(rq->curr);
}
task_rq_unlock(rq, &flags);
@@ -4154,7 +4155,8 @@ void set_user_nice(struct task_struct *p
* our priority decreased, or if our priority became higher
* than the current's.
*/
- if (TASK_PREEMPTS_CURR(p, rq) || (delta > 0 && task_running(rq, p)))
+ if (TASK_PREEMPTS_CURR(p, rq) ||
+ (delta > 0 && task_running(rq, p)))
resched_task(rq->curr);
}
out_unlock:
@@ -4384,7 +4386,8 @@ recheck:
* our priority decreased, or our priority became higher
* than the current's.
*/
- if (TASK_PREEMPTS_CURR(p, rq) || (task_running(rq, p) && p->prio > oldprio))
+ if (TASK_PREEMPTS_CURR(p, rq) ||
+ (task_running(rq, p) && p->prio > oldprio))
resched_task(rq->curr);
}
__task_rq_unlock(rq);
_
Patches currently in -mm which might be from dmitry.adamushko@xxxxxxxxx are
kernel-irq-procc-unprotected-iteration-over-the-irq-action-list-in-name_unique.patch
sched-redundant-reschedule-when-set_user_nice-boosts-a-prio-of-a-task-from-the-expired-array.patch
sched-redundant-reschedule-when-set_user_nice-boosts-a-prio-of-a-task-from-the-expired-array-update.patch
-
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