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-rw-r--r--kernel/sched/core.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index d59652d60f86..5091fd4feed8 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -492,6 +492,11 @@ static __init void init_hrtick(void)
*/
void hrtick_start(struct rq *rq, u64 delay)
{
+ /*
+ * Don't schedule slices shorter than 10000ns, that just
+ * doesn't make sense. Rely on vruntime for fairness.
+ */
+ delay = max_t(u64, delay, 10000LL);
__hrtimer_start_range_ns(&rq->hrtick_timer, ns_to_ktime(delay), 0,
HRTIMER_MODE_REL_PINNED, 0);
}