struct memnode memnode;
-u16 cpu_to_node_map[NR_CPUS] __read_mostly = {
+u16 x86_cpu_to_node_map_init[NR_CPUS] __initdata = {
[0 ... NR_CPUS-1] = NUMA_NO_NODE
};
-EXPORT_SYMBOL(cpu_to_node_map);
+void *x86_cpu_to_node_map_early_ptr;
+EXPORT_SYMBOL(x86_cpu_to_node_map_init);
+EXPORT_SYMBOL(x86_cpu_to_node_map_early_ptr);
+DEFINE_PER_CPU(u16, x86_cpu_to_node_map) = NUMA_NO_NODE;
+EXPORT_PER_CPU_SYMBOL(x86_cpu_to_node_map);
u16 apicid_to_node[MAX_LOCAL_APIC] __cpuinitdata = {
[0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE
node_set(0, node_possible_map);
for (i = 0; i < NR_CPUS; i++)
numa_set_node(i, 0);
- /* we can't use cpumask_of_cpu() yet */
+ /* cpumask_of_cpu() may not be available during early startup */
memset(&node_to_cpumask_map[0], 0, sizeof(node_to_cpumask_map[0]));
cpu_set(0, node_to_cpumask_map[0]);
e820_register_active_regions(0, start_pfn, end_pfn);
void __cpuinit numa_set_node(int cpu, int node)
{
+ u16 *cpu_to_node_map = (u16 *)x86_cpu_to_node_map_early_ptr;
+
cpu_pda(cpu)->nodenumber = node;
- cpu_to_node_map[cpu] = node;
+
+ if(cpu_to_node_map)
+ cpu_to_node_map[cpu] = node;
+ else if(per_cpu_offset(cpu))
+ per_cpu(x86_cpu_to_node_map, cpu) = node;
+ else
+ Dprintk(KERN_INFO "Setting node for non-present cpu %d\n", cpu);
}
unsigned long __init numa_free_all_bootmem(void)