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From: Vincent Guittot <vincent.guittot@linaro.org>
To: jet.chen@intel.com
Cc: mingo@kernel.org, fengguang.wu@intel.com,
	linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Vincent Guittot <vincent.guittot@linaro.org>
Subject: RE: [sched] BUG: unable to handle kernel paging request at 093cd001
Date: Mon, 12 May 2014 09:52:04 +0000	[thread overview]
Message-ID: <1399888324-2007-1-git-send-email-vincent.guittot@linaro.org> (raw)
In-Reply-To: <53708067.7050700@intel.com>

Hi,

Does this patch solve your issue ?

A null line is missing at the end of the array for NUMA case.
My test was passed thanks to a null data after the allocated array 

regards,
Vincent
---
 kernel/sched/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 4ea7b3f..941da33 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6232,7 +6232,7 @@ static void sched_init_numa(void)
 	}
 
 	/* Compute default topology size */
-	for (i = 0; sched_domain_topology[i].mask; i++);
+	for (i = 1; sched_domain_topology[i].mask; i++);
 
 	tl = kzalloc((i + level) *
 			sizeof(struct sched_domain_topology_level), GFP_KERNEL);
-- 
1.9.1


       reply	other threads:[~2014-05-12  9:52 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <53708067.7050700@intel.com>
2014-05-12  9:52 ` Vincent Guittot [this message]
2014-05-12 14:36   ` [sched] BUG: unable to handle kernel paging request at 093cd001 Jet Chen
2014-05-12 14:43     ` Vincent Guittot
2014-05-12 16:23       ` Jet Chen

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