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sched: Preserve the nice level over sched_setscheduler() and sched_setparam() calls 

Previously sched_setscheduler() and sched_setparam() would not affect
the nice value of a task, restore this behaviour.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: raistlin@linux.it
Cc: juri.lelli@gmail.com
Cc: Michael wang <wangyun@linux.vnet.ibm.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Fixes: d50dde5a10 ("sched: Add new scheduler syscalls to support an extended scheduling parameters ABI")
Link: http://lkml.kernel.org/r/20140115113015.GB31570@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2014-01-15 12:30:15 +01:00 committed by Ingo Molnar
parent 5778fccf36
commit e3de300d12
1 changed files with 4 additions and 2 deletions
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6
kernel/sched/core.c
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@ -3451,7 +3451,8 @@ int sched_setscheduler(struct task_struct *p, int policy,
{
struct sched_attr attr = {
.sched_policy = policy,
.sched_priority = param->sched_priority
.sched_priority = param->sched_priority,
.sched_nice = PRIO_TO_NICE(p->static_prio),
};
return __sched_setscheduler(p, &attr, true);
}
@ -3481,7 +3482,8 @@ int sched_setscheduler_nocheck(struct task_struct *p, int policy,
{
struct sched_attr attr = {
.sched_policy = policy,
.sched_priority = param->sched_priority
.sched_priority = param->sched_priority,
.sched_nice = PRIO_TO_NICE(p->static_prio),
};
return __sched_setscheduler(p, &attr, false);
}