diff options
Diffstat (limited to 'kernel/sched_stats.h')
| -rw-r--r-- | kernel/sched_stats.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h index 5b32433..5bae2e0 100644 --- a/kernel/sched_stats.h +++ b/kernel/sched_stats.h @@ -9,6 +9,11 @@ static int show_schedstat(struct seq_file *seq, void *v) { int cpu; + int mask_len = NR_CPUS/32 * 9; + char *mask_str = kmalloc(mask_len, GFP_KERNEL); + + if (mask_str == NULL) + return -ENOMEM; seq_printf(seq, "version %d\n", SCHEDSTAT_VERSION); seq_printf(seq, "timestamp %lu\n", jiffies); @@ -36,9 +41,8 @@ static int show_schedstat(struct seq_file *seq, void *v) preempt_disable(); for_each_domain(cpu, sd) { enum cpu_idle_type itype; - char mask_str[NR_CPUS]; - cpumask_scnprintf(mask_str, NR_CPUS, sd->span); + cpumask_scnprintf(mask_str, mask_len, sd->span); seq_printf(seq, "domain%d %s", dcount++, mask_str); for (itype = CPU_IDLE; itype < CPU_MAX_IDLE_TYPES; itype++) { |