diff options
| -rw-r--r-- | kernel/sched/fair.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 06ff75f4ac7b..b65596fae06b 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -1463,8 +1463,7 @@ struct numa_stats { */ static void update_numa_stats(struct numa_stats *ns, int nid) { - int smt, cpu, cpus = 0; - unsigned long capacity; + int cpu; memset(ns, 0, sizeof(*ns)); for_each_cpu(cpu, cpumask_of_node(nid)) { @@ -1473,26 +1472,8 @@ static void update_numa_stats(struct numa_stats *ns, int nid) ns->nr_running += rq->nr_running; ns->load += weighted_cpuload(rq); ns->compute_capacity += capacity_of(cpu); - - cpus++; } - /* - * If we raced with hotplug and there are no CPUs left in our mask - * the @ns structure is NULL'ed and task_numa_compare() will - * not find this node attractive. - * - * We'll detect a huge imbalance and bail there. - */ - if (!cpus) - return; - - /* smt := ceil(cpus / capacity), assumes: 1 < smt_power < 2 */ - smt = DIV_ROUND_UP(SCHED_CAPACITY_SCALE * cpus, ns->compute_capacity); - capacity = cpus / smt; /* cores */ - - capacity = min_t(unsigned, capacity, - DIV_ROUND_CLOSEST(ns->compute_capacity, SCHED_CAPACITY_SCALE)); } struct task_numa_env { |