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-rw-r--r--kernel/sched/deadline.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index b5152961b743..0ab79d819a0d 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -30,14 +30,16 @@ static struct ctl_table sched_dl_sysctls[] = {
.data = &sysctl_sched_dl_period_max,
.maxlen = sizeof(unsigned int),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_douintvec_minmax,
+ .extra1 = (void *)&sysctl_sched_dl_period_min,
},
{
.procname = "sched_deadline_period_min_us",
.data = &sysctl_sched_dl_period_min,
.maxlen = sizeof(unsigned int),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_douintvec_minmax,
+ .extra2 = (void *)&sysctl_sched_dl_period_max,
},
{}
};
@@ -1701,7 +1703,10 @@ static void enqueue_task_dl(struct rq *rq, struct task_struct *p, int flags)
* the throttle.
*/
p->dl.dl_throttled = 0;
- BUG_ON(!is_dl_boosted(&p->dl) || flags != ENQUEUE_REPLENISH);
+ if (!(flags & ENQUEUE_REPLENISH))
+ printk_deferred_once("sched: DL de-boosted task PID %d: REPLENISH flag missing\n",
+ task_pid_nr(p));
+
return;
}