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| author | Miao Xie <miaox@cn.fujitsu.com> | 2008-10-17 18:17:46 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-17 12:26:33 +0200 |
| commit | c851c8676bd7ae456e9b3af8e6bb2c434eddcc75 (patch) | |
| tree | c61f53ca5dae4290ddd73c1c62f98407f79afdb0 /kernel/sched_stats.h | |
| parent | 0f1f6dec9593c8319714c927dafb443548a1452a (diff) | |
| download | lwn-c851c8676bd7ae456e9b3af8e6bb2c434eddcc75.tar.gz lwn-c851c8676bd7ae456e9b3af8e6bb2c434eddcc75.zip | |
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.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h index 8385d43987e2..81365b3d89f8 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) |