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sched: Cleanup pre_schedule_rt 

Since [commit 9a897c5a:
sched: RT-balance, replace hooks with pre/post schedule and wakeup methods]
we must call pre_schedule_rt if prev is rt task.
So condition rt_task(prev) is always true and the 'unlikely' declaration is
simply incorrect.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Yong Zhang 2010-02-09 14:43:59 -05:00 committed by Steven Rostedt
parent 6313e3c217
commit 33c3d6c61d
1 changed files with 1 additions and 1 deletions
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2
kernel/sched_rt.c
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@ -1474,7 +1474,7 @@ static int pull_rt_task(struct rq *this_rq)
static void pre_schedule_rt(struct rq *rq, struct task_struct *prev)
{
/* Try to pull RT tasks here if we lower this rq's prio */
if (unlikely(rt_task(prev)) && rq->rt.highest_prio.curr > prev->prio)
if (rq->rt.highest_prio.curr > prev->prio)
pull_rt_task(rq);
}