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Date: Thu, 25 Aug 2016 15:56:59 +0900 From: Byungchul Park <byungchul.park@....com> To: mingo@...nel.org, peterz@...radead.org Cc: linux-kernel@...r.kernel.org Subject: Re: [PATCH 1/1] sched: apply ifdef CONFIG_SMP to meaningful code only on SMP system On Sun, Jul 05, 2015 at 06:43:31PM +0900, byungchul.park@....com wrote: > From: Byungchul Park <byungchul.park@....com> Hello, This patch was rejected and the next version having tried to apply what peterz recommanded, was almost ignored last year. But now, exactly same thing is already in the tree which was posted by Tim Chen. Yes. This is a trivial one, I thus don't mind much. Commiting patches is not important. However, I want to ask you to treat patches by new one like me with more consideration, please. Sometimes I feel thankful while sometimes I feel disappointed with a happening like this. It would be appriciated if you do so. Thank you, Byungchul > > account_numa_dequeue and manipulating se->group_node are meaningful only on SMP > > Signed-off-by: Byungchul Park <byungchul.park@....com> > --- > kernel/sched/fair.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c > index 09456fc..93b8de6 100644 > --- a/kernel/sched/fair.c > +++ b/kernel/sched/fair.c > @@ -2337,15 +2337,17 @@ account_entity_dequeue(struct cfs_rq *cfs_rq, struct sched_entity *se) > update_load_sub(&cfs_rq->load, se->load.weight); > if (!parent_entity(se)) > update_load_sub(&rq_of(cfs_rq)->load, se->load.weight); > +#ifdef CONFIG_SMP > if (entity_is_task(se)) { > account_numa_dequeue(rq_of(cfs_rq), task_of(se)); > list_del_init(&se->group_node); > } > +#endif > cfs_rq->nr_running--; > } > > #ifdef CONFIG_FAIR_GROUP_SCHED > -# ifdef CONFIG_SMP > +#ifdef CONFIG_SMP > static inline long calc_tg_weight(struct task_group *tg, struct cfs_rq *cfs_rq) > { > long tg_weight; > -- > 1.7.9.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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