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.