Messages in this thread |  | | Date | Tue, 21 Oct 2014 20:18:56 +0800 | From | Wanpeng Li <> | Subject | Re: [PATCH 1/2] sched/deadline: don't need to check SD_BALANCE_FORK |
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Cc Juri,
于 10/14/14, 10:22 AM, Wanpeng Li 写道: > There is no need to do balance during fork since SCHED_DEADLINE > tasks can't fork. This patch avoid the SD_BALANCE_FORK check. > > Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com> > --- > kernel/sched/deadline.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c > index abfaf3d..f46b7f1 100644 > --- a/kernel/sched/deadline.c > +++ b/kernel/sched/deadline.c > @@ -914,7 +914,7 @@ select_task_rq_dl(struct task_struct *p, int cpu, int sd_flag, int flags) > struct task_struct *curr; > struct rq *rq; > > - if (sd_flag != SD_BALANCE_WAKE && sd_flag != SD_BALANCE_FORK) > + if (sd_flag != SD_BALANCE_WAKE) > goto out; > > rq = cpu_rq(cpu);
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