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-rw-r--r--arch/ppc64/kernel/sysfs.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/ppc64/kernel/sysfs.c b/arch/ppc64/kernel/sysfs.c
index c8fa6569b2f..2f704a2cafb 100644
--- a/arch/ppc64/kernel/sysfs.c
+++ b/arch/ppc64/kernel/sysfs.c
@@ -400,7 +400,12 @@ static int __init topology_init(void)
struct cpu *c = &per_cpu(cpu_devices, cpu);
#ifdef CONFIG_NUMA
- parent = &node_devices[cpu_to_node(cpu)];
+ /* The node to which a cpu belongs can't be known
+ * until the cpu is made present.
+ */
+ parent = NULL;
+ if (cpu_present(cpu))
+ parent = &node_devices[cpu_to_node(cpu)];
#endif
/*
* For now, we just see if the system supports making