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authorPeter Zijlstra <peterz@infradead.org>2014-01-15 12:30:15 +0100
committerIngo Molnar <mingo@kernel.org>2014-01-16 09:27:14 +0100
commite3de300d1212b42aa9d0d6031b12fca06ac00dd9 (patch)
tree630b79be92ea0c689b17d9363eb3020fca21255e /kernel
parent5778fccf361c9ba443b45d822f3d875f64c80084 (diff)
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: d50dde5a10f3 ("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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched/core.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 26af3702ebf1..c1b3d7e04f0f 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -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);
}

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