int register_one_node(int nid) { int error = 0; int cpu; if (node_online(nid)) { int p_node = parent_node(nid); struct node *parent = NULL; if (p_node != nid) parent = node_devices[p_node]; node_devices[nid] = kzalloc(sizeof(struct node), GFP_KERNEL); if (!node_devices[nid]) return -ENOMEM; error = register_node(node_devices[nid], nid, parent); /* link cpu under this node */ for_each_present_cpu(cpu) { if (cpu_to_node(cpu) == nid) register_cpu_under_node(cpu, nid); } /* link memory sections under this node */ error = link_mem_sections(nid); /* initialize work queue for memory hot plug */ init_node_hugetlb_work(nid); } return error; }
int register_one_node(int nid) { int error = 0; int cpu; if (node_online(nid)) { int p_node = parent_node(nid); struct node *parent = NULL; if (p_node != nid) parent = &node_devices[p_node]; error = register_node(&node_devices[nid], nid, parent); /* link cpu under this node */ for_each_present_cpu(cpu) { if (cpu_to_node(cpu) == nid) register_cpu_under_node(cpu, nid); } /* link memory sections under this node */ error = link_mem_sections(nid); } return error; }