1 files changed, 15 insertions, 2 deletions

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 64c00227b997..eaa7633515b7 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;