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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-22 00:40:24 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-22 00:40:24 +0200
commitec965350bb98bd291eb34f6ecddfdcfc36da1e6e (patch)
tree983bcaf33ed00b48a86f7f8790cc460cf15dd252 /kernel/sched_stats.h
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86... (diff)
parentsched: build fix (diff)
downloadlinux-ec965350bb98bd291eb34f6ecddfdcfc36da1e6e.tar.xz
linux-ec965350bb98bd291eb34f6ecddfdcfc36da1e6e.zip
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched-devel
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched-devel: (62 commits) sched: build fix sched: better rt-group documentation sched: features fix sched: /debug/sched_features sched: add SCHED_FEAT_DEADLINE sched: debug: show a weight tree sched: fair: weight calculations sched: fair-group: de-couple load-balancing from the rb-trees sched: fair-group scheduling vs latency sched: rt-group: optimize dequeue_rt_stack sched: debug: add some debug code to handle the full hierarchy sched: fair-group: SMP-nice for group scheduling sched, cpuset: customize sched domains, core sched, cpuset: customize sched domains, docs sched: prepatory code movement sched: rt: multi level group constraints sched: task_group hierarchy sched: fix the task_group hierarchy for UID grouping sched: allow the group scheduler to have multiple levels sched: mix tasks and groups ...
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++) {