From: Con Kolivas Real time tasks' effect on prio_bias should be based on their real time priority level instead of their static_prio which is based on nice. Signed-off-by: Con Kolivas Cc: Ingo Molnar Cc: Nick Piggin Signed-off-by: Andrew Morton --- kernel/sched.c | 22 ++++++++++++++-------- 1 files changed, 14 insertions(+), 8 deletions(-) diff -puN kernel/sched.c~sched-account_rt_tasks_in_prio_bias kernel/sched.c --- 25/kernel/sched.c~sched-account_rt_tasks_in_prio_bias 2005-05-24 23:49:32.000000000 -0700 +++ 25-akpm/kernel/sched.c 2005-05-24 23:49:32.000000000 -0700 @@ -659,21 +659,21 @@ static int effective_prio(task_t *p) } #ifdef CONFIG_SMP -static inline void inc_prio_bias(runqueue_t *rq, int static_prio) +static inline void inc_prio_bias(runqueue_t *rq, int prio) { - rq->prio_bias += MAX_PRIO - static_prio; + rq->prio_bias += MAX_PRIO - prio; } -static inline void dec_prio_bias(runqueue_t *rq, int static_prio) +static inline void dec_prio_bias(runqueue_t *rq, int prio) { - rq->prio_bias -= MAX_PRIO - static_prio; + rq->prio_bias -= MAX_PRIO - prio; } #else -static inline void inc_prio_bias(runqueue_t *rq, int static_prio) +static inline void inc_prio_bias(runqueue_t *rq, int prio) { } -static inline void dec_prio_bias(runqueue_t *rq, int static_prio) +static inline void dec_prio_bias(runqueue_t *rq, int prio) { } #endif @@ -681,13 +681,19 @@ static inline void dec_prio_bias(runqueu static inline void inc_nr_running(task_t *p, runqueue_t *rq) { rq->nr_running++; - inc_prio_bias(rq, p->static_prio); + if (rt_task(p)) + inc_prio_bias(rq, p->prio); + else + inc_prio_bias(rq, p->static_prio); } static inline void dec_nr_running(task_t *p, runqueue_t *rq) { rq->nr_running--; - dec_prio_bias(rq, p->static_prio); + if (rt_task(p)) + dec_prio_bias(rq, p->prio); + else + dec_prio_bias(rq, p->static_prio); } /* _