Messages in this thread Patch in this message | | | From | Vincent Guittot <> | Subject | sched: fix: initialization of sched_domain_topology for NUMA | Date | Mon, 12 May 2014 23:16:16 +0200 |
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sched_domain_topology table is a null terminated array. Add 1 row in the allocation size that will be used as the last row of the table.
Reported-by: Jet Chen <jet.chen@intel.com> Tested-by: Jet Chen <jet.chen@intel.com> Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org> link: https://lkml.org/lkml/2014/5/12/130
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Hi Ingo and Peter,
This patch fixes the problem that has been reported by Jet Chen
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..205fa17 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6234,7 +6234,7 @@ static void sched_init_numa(void) /* Compute default topology size */ for (i = 0; sched_domain_topology[i].mask; i++); - tl = kzalloc((i + level) * + tl = kzalloc((i + level + 1) * sizeof(struct sched_domain_topology_level), GFP_KERNEL); if (!tl) return; -- 1.9.1
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