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padata: Initialize the padata queues only for the used cpus
padata_alloc_pd set up queues for all possible cpus. This patch changes this to set up the queues just for the used cpus. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -358,17 +358,15 @@ static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst,
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if (!alloc_cpumask_var(&pd->cpumask, GFP_KERNEL))
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if (!alloc_cpumask_var(&pd->cpumask, GFP_KERNEL))
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goto err_free_queue;
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goto err_free_queue;
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for_each_possible_cpu(cpu) {
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cpumask_and(pd->cpumask, cpumask, cpu_active_mask);
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for_each_cpu(cpu, pd->cpumask) {
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queue = per_cpu_ptr(pd->queue, cpu);
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queue = per_cpu_ptr(pd->queue, cpu);
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queue->pd = pd;
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queue->pd = pd;
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if (cpumask_test_cpu(cpu, cpumask)
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queue->cpu_index = cpu_index;
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&& cpumask_test_cpu(cpu, cpu_active_mask)) {
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cpu_index++;
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queue->cpu_index = cpu_index;
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cpu_index++;
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} else
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queue->cpu_index = -1;
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INIT_LIST_HEAD(&queue->reorder.list);
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INIT_LIST_HEAD(&queue->reorder.list);
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INIT_LIST_HEAD(&queue->parallel.list);
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INIT_LIST_HEAD(&queue->parallel.list);
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@ -382,8 +380,6 @@ static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst,
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atomic_set(&queue->num_obj, 0);
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atomic_set(&queue->num_obj, 0);
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}
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}
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cpumask_and(pd->cpumask, cpumask, cpu_active_mask);
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num_cpus = cpumask_weight(pd->cpumask);
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num_cpus = cpumask_weight(pd->cpumask);
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pd->max_seq_nr = (MAX_SEQ_NR / num_cpus) * num_cpus - 1;
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pd->max_seq_nr = (MAX_SEQ_NR / num_cpus) * num_cpus - 1;
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