memset(uvhub_descs, 0, nuvhubs * sizeof(struct uvhub_desc));
uvhub_mask = kzalloc((nuvhubs+7)/8, GFP_KERNEL);
for_each_present_cpu(cpu) {
memset(uvhub_descs, 0, nuvhubs * sizeof(struct uvhub_desc));
uvhub_mask = kzalloc((nuvhubs+7)/8, GFP_KERNEL);
for_each_present_cpu(cpu) {