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authorMiao Xie <miaox@cn.fujitsu.com>2008-10-17 18:17:46 +0800
committerIngo Molnar <mingo@elte.hu>2008-10-17 12:26:33 +0200
commitc851c8676bd7ae456e9b3af8e6bb2c434eddcc75 (patch)
treec61f53ca5dae4290ddd73c1c62f98407f79afdb0 /kernel/sched_stats.h
parent0f1f6dec9593c8319714c927dafb443548a1452a (diff)
sched: fix the wrong mask_len
If NR_CPUS isn't a multiple of 32, we get a truncated string of sched domains by catting /proc/schedstat. This is caused by the wrong mask_len. This patch fixes it. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Cc: <stable@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched_stats.h')
-rw-r--r--kernel/sched_stats.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h
index 8385d43987e..81365b3d89f 100644
--- a/kernel/sched_stats.h
+++ b/kernel/sched_stats.h
@@ -9,7 +9,7 @@
static int show_schedstat(struct seq_file *seq, void *v)
{
int cpu;
- int mask_len = NR_CPUS/32 * 9;
+ int mask_len = (NR_CPUS/32 + 1) * 9;
char *mask_str = kmalloc(mask_len, GFP_KERNEL);
if (mask_str == NULL)