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| author | Mike Travis <travis@sgi.com> | 2008-04-08 11:43:03 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-19 19:44:59 +0200 |
| commit | 39106dcf85285e78f3b290022122c76f851379b8 (patch) | |
| tree | 7fe93aaf6a433920b1c31725f42db30799deaa55 /kernel/sched_stats.h | |
| parent | fb0f330e62d71f7c535251438068199af320cf73 (diff) | |
| download | lwn-39106dcf85285e78f3b290022122c76f851379b8.tar.gz lwn-39106dcf85285e78f3b290022122c76f851379b8.zip | |
cpumask: use new cpus_scnprintf function
* Cleaned up references to cpumask_scnprintf() and added new
cpulist_scnprintf() interfaces where appropriate.
* Fix some small bugs (or code efficiency improvments) for various uses
of cpumask_scnprintf.
* Clean up some checkpatch errors.
Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 5b32433e7ee5..5bae2e0c3ff2 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++) { |