From 738a2ccbcf8c2c1b039f1e76662dce60b22b694b Mon Sep 17 00:00:00 2001 From: Con Kolivas Date: Tue, 8 Nov 2005 21:38:56 -0800 Subject: [PATCH] [PATCH] sched: change prio bias only if queued prio_bias should only be adjusted in set_user_nice if p is actually currently queued. Signed-off-by: Con Kolivas Cc: Ingo Molnar Cc: Nick Piggin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/sched.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/kernel/sched.c b/kernel/sched.c index c6827f94e156..e1f57bd5aaa6 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -3508,25 +3508,24 @@ void set_user_nice(task_t *p, long nice) * not SCHED_NORMAL: */ if (rt_task(p)) { - dec_prio_bias(rq, p->static_prio); p->static_prio = NICE_TO_PRIO(nice); - inc_prio_bias(rq, p->static_prio); goto out_unlock; } array = p->array; - if (array) + if (array) { dequeue_task(p, array); + dec_prio_bias(rq, p->static_prio); + } old_prio = p->prio; new_prio = NICE_TO_PRIO(nice); delta = new_prio - old_prio; - dec_prio_bias(rq, p->static_prio); p->static_prio = NICE_TO_PRIO(nice); - inc_prio_bias(rq, p->static_prio); p->prio += delta; if (array) { enqueue_task(p, array); + inc_prio_bias(rq, p->static_prio); /* * If the task increased its priority or is running and * lowered its priority, then reschedule its CPU: -- 2.20.1