Messages in this thread |  | | Date | Tue, 21 Oct 2014 14:38:02 +0100 | From | Juri Lelli <> | Subject | Re: [PATCH 1/2] sched/deadline: don't need to check SD_BALANCE_FORK |
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Hi,
On 21/10/14 13:18, Wanpeng Li wrote: > 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);
Yes, makes sense.
Thanks,
- Juri
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