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Date: Fri, 17 Oct 2008 19:25:54 +0900 (JST) From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> To: miaox@...fujitsu.com Cc: kosaki.motohiro@...fujitsu.com, Ingo Molnar <mingo@...e.hu>, Linux-Kernel <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] sched: fix the wrong mask_len > 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@...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); > DIV_ROUND_UP() is better? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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