diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index 05a5bc678c08944f633c0eab7cff13d21c4dfd27..423d08947962c8acd7ac304e6a7a995fb6a58d5f 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -2122,12 +2122,16 @@ static int hop_cmp(const void *a, const void *b) */ int sched_numa_find_nth_cpu(const struct cpumask *cpus, int cpu, int node) { - struct __cmp_key k = { .cpus = cpus, .node = node, .cpu = cpu }; + struct __cmp_key k = { .cpus = cpus, .cpu = cpu }; struct cpumask ***hop_masks; int hop, ret = nr_cpu_ids; rcu_read_lock(); + /* CPU-less node entries are uninitialized in sched_domains_numa_masks */ + node = numa_nearest_node(node, N_CPU); + k.node = node; + k.masks = rcu_dereference(sched_domains_numa_masks); if (!k.masks) goto unlock;