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authorHiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>2012-02-16 14:52:21 +0900
committerIngo Molnar <mingo@elte.hu>2012-02-22 12:28:29 +0100
commitde5bdff7a72acc281219be2b8edeeca1fd81c542 (patch)
tree6a528beb1852e2fd7d444b47e8b4cc6e6be31108 /kernel/sched/rt.c
parent62f6536a630affe3176deb48554d27ee58b65077 (diff)
downloadlinux-de5bdff7a72acc281219be2b8edeeca1fd81c542.tar.bz2
sched: Make initial SCHED_RR timeslace DEF_TIMESLICE
Current the initial SCHED_RR timeslice of init_task is HZ, which means 1s, and is not same as the default SCHED_RR timeslice DEF_TIMESLICE. Change that initial timeslice to the DEF_TIMESLICE. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> [ s/DEF_TIMESLICE/RR_TIMESLICE/g ] Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/4F3C9995.3010800@ct.jp.nec.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched/rt.c')
-rw-r--r--kernel/sched/rt.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index f42ae7fb5ec5..f70206c2c802 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -1972,7 +1972,7 @@ static void task_tick_rt(struct rq *rq, struct task_struct *p, int queued)
if (--p->rt.time_slice)
return;
- p->rt.time_slice = DEF_TIMESLICE;
+ p->rt.time_slice = RR_TIMESLICE;
/*
* Requeue to the end of queue if we are not the only element
@@ -2000,7 +2000,7 @@ static unsigned int get_rr_interval_rt(struct rq *rq, struct task_struct *task)
* Time slice is 0 for SCHED_FIFO tasks
*/
if (task->policy == SCHED_RR)
- return DEF_TIMESLICE;
+ return RR_TIMESLICE;
else
return 0;
}