powerpc/pseries: rename min_common_depth to primary_domain_index

No functional change in this patch.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210812132223.225214-2-aneesh.kumar@linux.ibm.com

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 094a1076fd1fe3601f445048c669d836de6e4ec1..79132744b728ed9830f802b014b341d545623faf 100644 (file)
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -51,7 +51,7 @@ EXPORT_SYMBOL(numa_cpu_lookup_table);
 EXPORT_SYMBOL(node_to_cpumask_map);
 EXPORT_SYMBOL(node_data);
 
-static int min_common_depth;
+static int primary_domain_index;
 static int n_mem_addr_cells, n_mem_size_cells;
 static int form1_affinity;
 
@@ -232,8 +232,8 @@ static int associativity_to_nid(const __be32 *associativity)
        if (!numa_enabled)
                goto out;
 
-       if (of_read_number(associativity, 1) >= min_common_depth)
-               nid = of_read_number(&associativity[min_common_depth], 1);
+       if (of_read_number(associativity, 1) >= primary_domain_index)
+               nid = of_read_number(&associativity[primary_domain_index], 1);
 
        /* POWER4 LPAR uses 0xffff as invalid node */
        if (nid == 0xffff || nid >= nr_node_ids)
@@ -284,9 +284,9 @@ int of_node_to_nid(struct device_node *device)
 }
 EXPORT_SYMBOL(of_node_to_nid);
 
-static int __init find_min_common_depth(void)
+static int __init find_primary_domain_index(void)
 {
-       int depth;
+       int index;
        struct device_node *root;
 
        if (firmware_has_feature(FW_FEATURE_OPAL))
@@ -326,7 +326,7 @@ static int __init find_min_common_depth(void)
        }
 
        if (form1_affinity) {
-               depth = of_read_number(distance_ref_points, 1);
+               index = of_read_number(distance_ref_points, 1);
        } else {
                if (distance_ref_points_depth < 2) {
                        printk(KERN_WARNING "NUMA: "
@@ -334,7 +334,7 @@ static int __init find_min_common_depth(void)
                        goto err;
                }
 
-               depth = of_read_number(&distance_ref_points[1], 1);
+               index = of_read_number(&distance_ref_points[1], 1);
        }
 
        /*
@@ -348,7 +348,7 @@ static int __init find_min_common_depth(void)
        }
 
        of_node_put(root);
-       return depth;
+       return index;
 
 err:
        of_node_put(root);
@@ -437,16 +437,16 @@ int of_drconf_to_nid_single(struct drmem_lmb *lmb)
        int nid = default_nid;
        int rc, index;
 
-       if ((min_common_depth < 0) || !numa_enabled)
+       if ((primary_domain_index < 0) || !numa_enabled)
                return default_nid;
 
        rc = of_get_assoc_arrays(&aa);
        if (rc)
                return default_nid;
 
-       if (min_common_depth <= aa.array_sz &&
+       if (primary_domain_index <= aa.array_sz &&
            !(lmb->flags & DRCONF_MEM_AI_INVALID) && lmb->aa_index < aa.n_arrays) {
-               index = lmb->aa_index * aa.array_sz + min_common_depth - 1;
+               index = lmb->aa_index * aa.array_sz + primary_domain_index - 1;
                nid = of_read_number(&aa.arrays[index], 1);
 
                if (nid == 0xffff || nid >= nr_node_ids)
@@ -708,18 +708,18 @@ static int __init parse_numa_properties(void)
                return -1;
        }
 
-       min_common_depth = find_min_common_depth();
+       primary_domain_index = find_primary_domain_index();
 
-       if (min_common_depth < 0) {
+       if (primary_domain_index < 0) {
                /*
-                * if we fail to parse min_common_depth from device tree
+                * if we fail to parse primary_domain_index from device tree
                 * mark the numa disabled, boot with numa disabled.
                 */
                numa_enabled = false;
-               return min_common_depth;
+               return primary_domain_index;
        }
 
-       dbg("NUMA associativity depth for CPU/Memory: %d\n", min_common_depth);
+       dbg("NUMA associativity depth for CPU/Memory: %d\n", primary_domain_index);
 
        /*
         * Even though we connect cpus to numa domains later in SMP
@@ -924,7 +924,7 @@ static void __init find_possible_nodes(void)
                        goto out;
        }
 
-       max_nodes = of_read_number(&domains[min_common_depth], 1);
+       max_nodes = of_read_number(&domains[primary_domain_index], 1);
        pr_info("Partition configured for %d NUMA nodes.\n", max_nodes);
 
        for (i = 0; i < max_nodes; i++) {
@@ -933,7 +933,7 @@ static void __init find_possible_nodes(void)
        }
 
        prop_length /= sizeof(int);
-       if (prop_length > min_common_depth + 2)
+       if (prop_length > primary_domain_index + 2)
                coregroup_enabled = 1;
 
 out:
@@ -1266,7 +1266,7 @@ int cpu_to_coregroup_id(int cpu)
                goto out;
 
        index = of_read_number(associativity, 1);
-       if (index > min_common_depth + 1)
+       if (index > primary_domain_index + 1)
                return of_read_number(&associativity[index - 1], 1);
 
 out: