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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-22 00:40:24 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-22 00:40:24 +0200 |
commit | ec965350bb98bd291eb34f6ecddfdcfc36da1e6e (patch) | |
tree | 983bcaf33ed00b48a86f7f8790cc460cf15dd252 /kernel/sched_stats.h | |
parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86... (diff) | |
parent | sched: build fix (diff) | |
download | linux-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.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++) { |