pg_data_t *pgdat_list[MAX_NUMNODES];
static void __init initialize_pernode_data(void){	int cpu, node;	pg_data_t *pgdat_list[MAX_NUMNODES];	for_each_online_node(node)		pgdat_list[node] = mem_data[node].pgdat;	/* Copy the pg_data_t list to each node and init the node field */	for_each_online_node(node) {		memcpy(mem_data[node].node_data->pg_data_ptrs, pgdat_list,		       sizeof(pgdat_list));	}	/* Set the node_data pointer for each per-cpu struct */	for (cpu = 0; cpu < NR_CPUS; cpu++) {		node = node_cpuid[cpu].nid;		per_cpu(cpu_info, cpu).node_data = mem_data[node].node_data;	}}