Messages in this thread | | | From | "Huang, Ying" <> | Subject | Re: [tip: sched/core] sched/numa: Avoid migrating task to CPU-less node | Date | Tue, 08 Mar 2022 08:40:21 +0800 |
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Qian Cai <quic_qiancai@quicinc.com> writes:
> On Mon, Mar 07, 2022 at 01:51:55PM +0800, Huang, Ying wrote: >> > --- >> > kernel/sched/fair.c | 2 +- >> > 1 file changed, 1 insertion(+), 1 deletion(-) >> > >> > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c >> > index a3f0ea216ccb..1fe7a4510cca 100644 >> > --- a/kernel/sched/fair.c >> > +++ b/kernel/sched/fair.c >> > @@ -2405,7 +2405,7 @@ static void task_numa_placement(struct task_struct *p) >> > } >> > >> > /* Cannot migrate task to CPU-less node */ >> > - if (!node_state(max_nid, N_CPU)) { >> > + if (max_nid != NUMA_NO_NODE && !node_state(max_nid, N_CPU)) { >> > int near_nid = max_nid; >> > int distance, near_distance = INT_MAX; >> >> Do you have time to give this patch a try? > > Ah, I thought I has already replied it a while ago. Anyway, it works fine.
Thanks!
Best Regards, Huang, Ying
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