/* Returns nid in the range [0..MAX_NUMNODES-1], or -1 if no useful numa
* info is found.
*/
-static int of_node_to_nid(struct device_node *device)
+static int of_node_to_nid_single(struct device_node *device)
{
int nid = -1;
unsigned int *tmp;
return nid;
}
+/* Walk the device tree upwards, looking for an associativity id */
+int of_node_to_nid(struct device_node *device)
+{
+ struct device_node *tmp;
+ int nid = -1;
+
+ of_node_get(device);
+ while (device) {
+ nid = of_node_to_nid_single(device);
+ if (nid != -1)
+ break;
+
+ tmp = device;
+ device = of_get_parent(tmp);
+ of_node_put(tmp);
+ }
+ of_node_put(device);
+
+ return nid;
+}
+EXPORT_SYMBOL_GPL(of_node_to_nid);
+
/*
* In theory, the "ibm,associativity" property may contain multiple
* associativity lists because a resource may be multiply connected
goto out;
}
- nid = of_node_to_nid(cpu);
+ nid = of_node_to_nid_single(cpu);
if (nid < 0 || !node_online(nid))
nid = any_online_node(NODE_MASK_ALL);
return nid;
}
-static int cpu_numa_callback(struct notifier_block *nfb,
+static int __cpuinit cpu_numa_callback(struct notifier_block *nfb,
unsigned long action,
void *hcpu)
{
cpu = find_cpu_node(i);
BUG_ON(!cpu);
- nid = of_node_to_nid(cpu);
+ nid = of_node_to_nid_single(cpu);
of_node_put(cpu);
/*
* have associativity properties. If none, then
* everything goes to default_nid.
*/
- nid = of_node_to_nid(memory);
+ nid = of_node_to_nid_single(memory);
if (nid < 0)
nid = default_nid;
node_set_online(nid);
unsigned long total_ram = lmb_phys_mem_size();
unsigned int i;
- printk(KERN_INFO "Top of RAM: 0x%lx, Total RAM: 0x%lx\n",
+ printk(KERN_DEBUG "Top of RAM: 0x%lx, Total RAM: 0x%lx\n",
top_of_ram, total_ram);
- printk(KERN_INFO "Memory hole size: %ldMB\n",
+ printk(KERN_DEBUG "Memory hole size: %ldMB\n",
(top_of_ram - total_ram) >> 20);
for (i = 0; i < lmb.memory.cnt; ++i)
return;
for_each_online_node(node) {
- printk(KERN_INFO "Node %d CPUs:", node);
+ printk(KERN_DEBUG "Node %d CPUs:", node);
count = 0;
/*
for_each_online_node(node) {
unsigned long i;
- printk(KERN_INFO "Node %d Memory:", node);
+ printk(KERN_DEBUG "Node %d Memory:", node);
count = 0;
return (void *)ret;
}
+static struct notifier_block __cpuinitdata ppc64_numa_nb = {
+ .notifier_call = cpu_numa_callback,
+ .priority = 1 /* Must run before sched domains notifier. */
+};
+
void __init do_init_bootmem(void)
{
int nid;
unsigned int i;
- static struct notifier_block ppc64_numa_nb = {
- .notifier_call = cpu_numa_callback,
- .priority = 1 /* Must run before sched domains notifier. */
- };
min_low_pfn = 0;
max_low_pfn = lmb_end_of_DRAM() >> PAGE_SHIFT;
ha_new_range:
start = read_n_cells(n_mem_addr_cells, &memcell_buf);
size = read_n_cells(n_mem_size_cells, &memcell_buf);
- nid = of_node_to_nid(memory);
+ nid = of_node_to_nid_single(memory);
/* Domains not present at boot default to 0 */
if (nid < 0 || !node_online(nid))