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authorMike Travis <travis@sgi.com>2008-04-08 11:43:03 -0700
committerIngo Molnar <mingo@elte.hu>2008-04-19 19:44:59 +0200
commit39106dcf85285e78f3b290022122c76f851379b8 (patch)
tree7fe93aaf6a433920b1c31725f42db30799deaa55 /kernel/sched_stats.h
parentfb0f330e62d71f7c535251438068199af320cf73 (diff)
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.h8
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++) {