X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fsched_stats.h;h=5bae2e0c3ff293b665e0428ce2942c6e9ac1db0b;hb=94ee1cf5a88e12f5cbf8c0c78a6c18d3e043241e;hp=5b32433e7ee5719cb061956e53ec4ef2a242d903;hpb=5889ba0a6a1174ac38d7045824a2d2ed8e93d756;p=linux-2.6

diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h
index 5b32433e7e..5bae2e0c3f 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++) {