diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 6c6fbca3229c9625964c1801c8ba480d7ab5c492..19b54fbcd7eaf790c7136571b81f79e2ae1dc1a0 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -743,13 +743,14 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, u64 arg)
 		if ((r = sn_hwperf_enum_objects(&nobj, &objs)) == 0) {
 			memset(p, 0, a.sz);
 			for (i = 0; i < nobj; i++) {
+				int cpuobj_index = 0;
 				if (!SN_HWPERF_IS_NODE(objs + i))
 					continue;
 				node = sn_hwperf_obj_to_cnode(objs + i);
 				for_each_online_cpu(j) {
 					if (node != cpu_to_node(j))
 						continue;
-					cpuobj = (struct sn_hwperf_object_info *) p + j;
+					cpuobj = (struct sn_hwperf_object_info *) p + cpuobj_index++;
 					slice = 'a' + cpuid_to_slice(j);
 					cdata = cpu_data(j);
 					cpuobj->id = j;