Messages in this thread | | | Date | Mon, 9 Oct 2023 13:26:38 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH 2/2] sched/rt: Move sched_rt_entity::back to under the CONFIG_RT_GROUP_SCHED block |
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* Yajun Deng <yajun.deng@linux.dev> wrote:
> > On 2023/10/9 18:16, Ingo Molnar wrote: > > * Yajun Deng <yajun.deng@linux.dev> wrote: > > > > > The member back in struct sched_rt_entity only related to RT_GROUP_SCHED, > > > So move sched_rt_entity::back to under the CONFIG_RT_GROUP_SCHED block. It > > > will save a few bytes. > > > > > > Also, init child when parent isn't NULL in init_tg_rt_entry(). > > > > > > Signed-off-by: Yajun Deng <yajun.deng@linux.dev> > > > --- > > > include/linux/sched.h | 2 +- > > > kernel/sched/rt.c | 18 +++++++++--------- > > > 2 files changed, 10 insertions(+), 10 deletions(-) > > > > > > diff --git a/include/linux/sched.h b/include/linux/sched.h > > > index 292c31697248..d0fe56603e60 100644 > > > --- a/include/linux/sched.h > > > +++ b/include/linux/sched.h > > > @@ -597,8 +597,8 @@ struct sched_rt_entity { > > > unsigned short on_rq; > > > unsigned short on_list; > > > - struct sched_rt_entity *back; > > > #ifdef CONFIG_RT_GROUP_SCHED > > > + struct sched_rt_entity *back; > > > struct sched_rt_entity *parent; > > > /* rq on which this entity is (to be) queued: */ > > > struct rt_rq *rt_rq; > > Title claims this change - the rest of the changes should be in a separate > > patch: > > > Okay. I will send v2.
It's ~v7 already by my count, isn't it?
Thanks,
Ingo
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