Messages in this thread | | | Subject | Re: [PATCH 2/2] rt: Increase/decrease the nr of migratory tasks when enabling/disabling migration | From | Daniel Bristot de Oliveira <> | Date | Mon, 26 Jun 2017 14:16:10 +0200 |
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On 06/24/2017 08:41 AM, Ingo Molnar wrote: >> +enum inc_dec_migratory { >> + DEC_NR_MIGRATORY = -1, >> + INC_NR_MIGRATORY = 1, >> +}; >> + >> +static inline void >> +inc_dec_nr_migratory(struct task_struct *p, enum inc_dec_migratory id) >> +{ >> + if (unlikely((p->sched_class == &rt_sched_class || >> + p->sched_class == &dl_sched_class) && >> + p->nr_cpus_allowed > 1)) { >> + if (p->sched_class == &rt_sched_class) >> + task_rq(p)->rt.rt_nr_migratory += id; >> + else >> + task_rq(p)->dl.dl_nr_migratory += id; >> + } >> +} > How about just 'long delta', pass in +1 or -1 and do away with the > inc_dec_migratory complication?
Ack! I am cooking a v2 using a long delta, rather than the inc_dec_migratory complication (yeah, I exaggerated hehe).
Thanks!
-- Daniel
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