Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754327AbYJQKWJ (ORCPT ); Fri, 17 Oct 2008 06:22:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752036AbYJQKV4 (ORCPT ); Fri, 17 Oct 2008 06:21:56 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:60506 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751605AbYJQKV4 (ORCPT ); Fri, 17 Oct 2008 06:21:56 -0400 Message-ID: <48F8664A.2000205@cn.fujitsu.com> Date: Fri, 17 Oct 2008 18:17:46 +0800 From: Miao Xie Reply-To: miaox@cn.fujitsu.com User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: Ingo Molnar CC: Linux-Kernel Subject: [PATCH] sched: fix the wrong mask_len Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 941 Lines: 32 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 --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/