Messages in this thread Patch in this message | | | Date | Fri, 17 Oct 2008 18:17:46 +0800 | From | Miao Xie <> | Subject | [PATCH] sched: fix the wrong mask_len |
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If the 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 fix it.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
--- 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 8385d43..81365b3 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) -- 1.5.4.rc3
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