Commit 7b389b2c authored by Steffen Klassert's avatar Steffen Klassert Committed by Herbert Xu

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: 's avatarSteffen Klassert <>
Signed-off-by: 's avatarHerbert Xu <>
parent 7d0d2d38
......@@ -358,17 +358,15 @@ static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst,
if (!alloc_cpumask_var(&pd->cpumask, GFP_KERNEL))
goto err_free_queue;
for_each_possible_cpu(cpu) {
cpumask_and(pd->cpumask, cpumask, cpu_active_mask);
for_each_cpu(cpu, pd->cpumask) {
queue = per_cpu_ptr(pd->queue, cpu);
queue->pd = pd;
if (cpumask_test_cpu(cpu, cpumask)
&& cpumask_test_cpu(cpu, cpu_active_mask)) {
queue->cpu_index = cpu_index;
} else
queue->cpu_index = -1;
queue->cpu_index = cpu_index;
......@@ -382,8 +380,6 @@ static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst,
atomic_set(&queue->num_obj, 0);
cpumask_and(pd->cpumask, cpumask, cpu_active_mask);
num_cpus = cpumask_weight(pd->cpumask);
pd->max_seq_nr = (MAX_SEQ_NR / num_cpus) * num_cpus - 1;
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