1 files changed, 2 insertions, 9 deletions

diff --git a/kernel/sched/stats.c b/kernel/sched/stats.c
index a476bea17fbc..87e2c9f0c33e 100644
--- a/kernel/sched/stats.c
+++ b/kernel/sched/stats.c
@@ -15,11 +15,6 @@
 static int show_schedstat(struct seq_file *seq, void *v)
 {
         int cpu;
-        int mask_len = DIV_ROUND_UP(NR_CPUS, 32) * 9;
-        char *mask_str = kmalloc(mask_len, GFP_KERNEL);
-
-        if (mask_str == NULL)
-                return -ENOMEM;
 
         if (v == (void *)1) {
                 seq_printf(seq, "version %d\n", SCHEDSTAT_VERSION);
@@ -50,9 +45,8 @@ static int show_schedstat(struct seq_file *seq, void *v)
                 for_each_domain(cpu, sd) {
                         enum cpu_idle_type itype;
 
-                        cpumask_scnprintf(mask_str, mask_len,
-                                          sched_domain_span(sd));
-                        seq_printf(seq, "domain%d %s", dcount++, mask_str);
+                        seq_printf(seq, "domain%d %*pb", dcount++,
+                                   cpumask_pr_args(sched_domain_span(sd)));
                         for (itype = CPU_IDLE; itype < CPU_MAX_IDLE_TYPES;
                                         itype++) {
                                 seq_printf(seq, " %u %u %u %u %u %u %u %u",
@@ -76,7 +70,6 @@ static int show_schedstat(struct seq_file *seq, void *v)
                 rcu_read_unlock();
 #endif
         }
-        kfree(mask_str);
         return 0;
 }