420 static int build_cpu_topo(struct cpu_topo *tp, int cpu)  in build_cpu_topo()  argument
444 	for (i = 0; i < tp->core_sib; i++) {  in build_cpu_topo()
445 		if (!strcmp(buf, tp->core_siblings[i]))  in build_cpu_topo()
448 	if (i == tp->core_sib) {  in build_cpu_topo()
449 		tp->core_siblings[i] = buf;  in build_cpu_topo()
450 		tp->core_sib++;  in build_cpu_topo()
469 	for (i = 0; i < tp->thread_sib; i++) {  in build_cpu_topo()
470 		if (!strcmp(buf, tp->thread_siblings[i]))  in build_cpu_topo()
473 	if (i == tp->thread_sib) {  in build_cpu_topo()
474 		tp->thread_siblings[i] = buf;  in build_cpu_topo()
475 		tp->thread_sib++;  in build_cpu_topo()
486 static void free_cpu_topo(struct cpu_topo *tp)  in free_cpu_topo()  argument
490 	if (!tp)  in free_cpu_topo()
493 	for (i = 0 ; i < tp->core_sib; i++)  in free_cpu_topo()
494 		zfree(&tp->core_siblings[i]);  in free_cpu_topo()
496 	for (i = 0 ; i < tp->thread_sib; i++)  in free_cpu_topo()
497 		zfree(&tp->thread_siblings[i]);  in free_cpu_topo()
499 	free(tp);  in free_cpu_topo()
504 	struct cpu_topo *tp;  in build_cpu_topology()  local
519 	addr = calloc(1, sizeof(*tp) + 2 * sz);  in build_cpu_topology()
523 	tp = addr;  in build_cpu_topology()
524 	tp->cpu_nr = nr;  in build_cpu_topology()
525 	addr += sizeof(*tp);  in build_cpu_topology()
526 	tp->core_siblings = addr;  in build_cpu_topology()
528 	tp->thread_siblings = addr;  in build_cpu_topology()
531 		ret = build_cpu_topo(tp, i);  in build_cpu_topology()
536 		free_cpu_topo(tp);  in build_cpu_topology()
537 		tp = NULL;  in build_cpu_topology()
539 	return tp;  in build_cpu_topology()
545 	struct cpu_topo *tp;  in write_cpu_topology()  local
549 	tp = build_cpu_topology();  in write_cpu_topology()
550 	if (!tp)  in write_cpu_topology()
553 	ret = do_write(fd, &tp->core_sib, sizeof(tp->core_sib));  in write_cpu_topology()
557 	for (i = 0; i < tp->core_sib; i++) {  in write_cpu_topology()
558 		ret = do_write_string(fd, tp->core_siblings[i]);  in write_cpu_topology()
562 	ret = do_write(fd, &tp->thread_sib, sizeof(tp->thread_sib));  in write_cpu_topology()
566 	for (i = 0; i < tp->thread_sib; i++) {  in write_cpu_topology()
567 		ret = do_write_string(fd, tp->thread_siblings[i]);  in write_cpu_topology()
587 	free_cpu_topo(tp);  in write_cpu_topology()