diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 226837960ec0..0532195c38d0 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -1765,7 +1765,7 @@ static int task_numa_migrate(struct task_struct *p) * elsewhere, so there is no point in (re)trying. */ if (unlikely(!sd)) { - p->numa_preferred_nid = task_node(p); + sched_setnuma(p, task_node(p)); return -EINVAL; } @@ -1824,15 +1824,13 @@ static int task_numa_migrate(struct task_struct *p) * trying for a better one later. Do not set the preferred node here. */ if (p->numa_group) { - struct numa_group *ng = p->numa_group; - if (env.best_cpu == -1) nid = env.src_nid; else - nid = env.dst_nid; + nid = cpu_to_node(env.best_cpu); - if (ng->active_nodes > 1 && numa_is_active_node(env.dst_nid, ng)) - sched_setnuma(p, env.dst_nid); + if (nid != p->numa_preferred_nid) + sched_setnuma(p, nid); } /* No better CPU than the current one was found. */