644 	static struct cpu_group *top = NULL;  in smp_topo()  local
650 	if (top != NULL)  in smp_topo()
651 		return (top);  in smp_topo()
659 		top = smp_topo_1level(CG_SHARE_NONE, 2, 0);  in smp_topo()
663 		top = smp_topo_none();  in smp_topo()
667 		top = smp_topo_1level(CG_SHARE_L2, 2, 0);  in smp_topo()
671 		top = smp_topo_1level(CG_SHARE_L3, 4, 0);  in smp_topo()
675 		top = smp_topo_2level(CG_SHARE_NONE, 2, CG_SHARE_L2, 2, 0);  in smp_topo()
679 		top = smp_topo_1level(CG_SHARE_L1, 2, CG_FLAG_HTT);  in smp_topo()
683 		top = smp_topo_2level(CG_SHARE_L3, 4, CG_SHARE_L2, 8,  in smp_topo()
688 		top = cpu_topo();  in smp_topo()
694 	if (top->cg_count != mp_ncpus)  in smp_topo()
696 		    top, top->cg_count, mp_ncpus);  in smp_topo()
697 	if (CPU_CMP(&top->cg_mask, &all_cpus))  in smp_topo()
699 		    top, cpusetobj_strprint(cpusetbuf, &top->cg_mask),  in smp_topo()
706 	while (top->cg_children == 1) {  in smp_topo()
707 		top = &top->cg_child[0];  in smp_topo()
708 		top->cg_parent = NULL;  in smp_topo()
710 	smp_topo_fill(top);  in smp_topo()
711 	return (top);  in smp_topo()
733 	struct cpu_group *top;  in smp_topo_none()  local
735 	top = smp_topo_alloc(1);  in smp_topo_none()
736 	top->cg_parent = NULL;  in smp_topo_none()
737 	top->cg_child = NULL;  in smp_topo_none()
738 	top->cg_mask = all_cpus;  in smp_topo_none()
739 	top->cg_count = mp_ncpus;  in smp_topo_none()
740 	top->cg_children = 0;  in smp_topo_none()
741 	top->cg_level = CG_SHARE_NONE;  in smp_topo_none()
742 	top->cg_flags = 0;  in smp_topo_none()
744 	return (top);  in smp_topo_none()
783 	struct cpu_group *top;  in smp_topo_1level()  local
790 	top = smp_topo_alloc(1 + packages);  in smp_topo_1level()
791 	top->cg_child = child = top + 1;  in smp_topo_1level()
792 	top->cg_level = CG_SHARE_NONE;  in smp_topo_1level()
794 		cpu = smp_topo_addleaf(top, child, share, count, flags, cpu);  in smp_topo_1level()
795 	return (top);  in smp_topo_1level()
802 	struct cpu_group *top;  in smp_topo_2level()  local
810 	top = smp_topo_alloc(1 + mp_ncpus / (l2count * l1count) +  in smp_topo_2level()
812 	l2g = top + 1;  in smp_topo_2level()
813 	top->cg_child = l2g;  in smp_topo_2level()
814 	top->cg_level = CG_SHARE_NONE;  in smp_topo_2level()
815 	top->cg_children = mp_ncpus / (l2count * l1count);  in smp_topo_2level()
816 	l1g = l2g + top->cg_children;  in smp_topo_2level()
817 	for (i = 0; i < top->cg_children; i++, l2g++) {  in smp_topo_2level()
818 		l2g->cg_parent = top;  in smp_topo_2level()
825 	return (top);  in smp_topo_2level()
829 smp_topo_find(struct cpu_group *top, int cpu)  in smp_topo_find()  argument
837 	cg = top;  in smp_topo_find()
1197 topo_next_node(struct topo_node *top, struct topo_node *node)  in topo_next_node()  argument
1207 	while (node != top && (node = node->parent) != top)  in topo_next_node()
1219 topo_next_nonchild_node(struct topo_node *top, struct topo_node *node)  in topo_next_nonchild_node()  argument
1226 	while (node != top && (node = node->parent) != top)  in topo_next_nonchild_node()