linux-kernel - [PATCH] cpusets: fix wrong domain attr updates

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Message-ID: <487DB907.7060403@cn.fujitsu.com>
Date:	Wed, 16 Jul 2008 17:01:59 +0800
From:	Miao Xie <miaox@...fujitsu.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Linux-Kernel <linux-kernel@...r.kernel.org>,
	Paul Jackson <pj@....com>, Paul Menage <menage@...gle.com>,
	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>
Subject: [PATCH] cpusets: fix wrong domain attr updates

fix wrong domain attr updates, or we will always update the first sched domain
attr.

Signed-off-by: Miao Xie <miaox@...fujitsu.com>
Cc: Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>

---
 kernel/cpuset.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 459d601..d2cc67d 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -679,7 +679,9 @@ restart:
 				if (apn == b->pn) {
 					cpus_or(*dp, *dp, b->cpus_allowed);
 					b->pn = -1;
-					update_domain_attr(dattr, b);
+					if (dattr)
+						update_domain_attr(dattr
+								   + nslot, b);
 				}
 			}
 			nslot++;
-- 
1.5.4.rc3



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