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Diffstat (limited to 'arch/powerpc/mm/numa.c')
-rw-r--r--arch/powerpc/mm/numa.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index b037d95eead..eaa7633515b 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -242,10 +242,11 @@ EXPORT_SYMBOL_GPL(of_node_to_nid);
*/
static int __init find_min_common_depth(void)
{
- int depth;
+ int depth, index;
const unsigned int *ref_points;
struct device_node *rtas_root;
unsigned int len;
+ struct device_node *options;
rtas_root = of_find_node_by_path("/rtas");
@@ -258,11 +259,23 @@ static int __init find_min_common_depth(void)
* configuration (should be all 0's) and the second is for a normal
* NUMA configuration.
*/
+ index = 1;
ref_points = of_get_property(rtas_root,
"ibm,associativity-reference-points", &len);
+ /*
+ * For type 1 affinity information we want the first field
+ */
+ options = of_find_node_by_path("/options");
+ if (options) {
+ const char *str;
+ str = of_get_property(options, "ibm,associativity-form", NULL);
+ if (str && !strcmp(str, "1"))
+ index = 0;
+ }
+
if ((len >= 2 * sizeof(unsigned int)) && ref_points) {
- depth = ref_points[1];
+ depth = ref_points[index];
} else {
dbg("NUMA: ibm,associativity-reference-points not found.\n");
depth = -1;
@@ -451,7 +464,7 @@ static int __cpuinit numa_setup_cpu(unsigned long lcpu)
nid = of_node_to_nid_single(cpu);
if (nid < 0 || !node_online(nid))
- nid = any_online_node(NODE_MASK_ALL);
+ nid = first_online_node;
out:
map_cpu_to_node(lcpu, nid);
@@ -1114,7 +1127,7 @@ int hot_add_scn_to_nid(unsigned long scn_addr)
int nid, found = 0;
if (!numa_enabled || (min_common_depth < 0))
- return any_online_node(NODE_MASK_ALL);
+ return first_online_node;
memory = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
if (memory) {
@@ -1125,7 +1138,7 @@ int hot_add_scn_to_nid(unsigned long scn_addr)
}
if (nid < 0 || !node_online(nid))
- nid = any_online_node(NODE_MASK_ALL);
+ nid = first_online_node;
if (NODE_DATA(nid)->node_spanned_pages)
return nid;