diff options
Diffstat (limited to 'arch/powerpc/mm/numa.c')
-rw-r--r-- | arch/powerpc/mm/numa.c | 50 |
1 files changed, 23 insertions, 27 deletions
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 6f14c8fb6359..9d5f710d2c20 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -134,7 +134,7 @@ static int __init fake_numa_create_new_node(unsigned long end_pfn, return 0; } -static void reset_numa_cpu_lookup_table(void) +static void __init reset_numa_cpu_lookup_table(void) { unsigned int cpu; @@ -372,13 +372,13 @@ void update_numa_distance(struct device_node *node) * ibm,numa-lookup-index-table= {N, domainid1, domainid2, ..... domainidN} * ibm,numa-distance-table = { N, 1, 2, 4, 5, 1, 6, .... N elements} */ -static void initialize_form2_numa_distance_lookup_table(void) +static void __init initialize_form2_numa_distance_lookup_table(void) { int i, j; struct device_node *root; - const __u8 *numa_dist_table; + const __u8 *form2_distances; const __be32 *numa_lookup_index; - int numa_dist_table_length; + int form2_distances_length; int max_numa_index, distance_index; if (firmware_has_feature(FW_FEATURE_OPAL)) @@ -392,45 +392,41 @@ static void initialize_form2_numa_distance_lookup_table(void) max_numa_index = of_read_number(&numa_lookup_index[0], 1); /* first element of the array is the size and is encode-int */ - numa_dist_table = of_get_property(root, "ibm,numa-distance-table", NULL); - numa_dist_table_length = of_read_number((const __be32 *)&numa_dist_table[0], 1); + form2_distances = of_get_property(root, "ibm,numa-distance-table", NULL); + form2_distances_length = of_read_number((const __be32 *)&form2_distances[0], 1); /* Skip the size which is encoded int */ - numa_dist_table += sizeof(__be32); + form2_distances += sizeof(__be32); - pr_debug("numa_dist_table_len = %d, numa_dist_indexes_len = %d\n", - numa_dist_table_length, max_numa_index); + pr_debug("form2_distances_len = %d, numa_dist_indexes_len = %d\n", + form2_distances_length, max_numa_index); for (i = 0; i < max_numa_index; i++) /* +1 skip the max_numa_index in the property */ numa_id_index_table[i] = of_read_number(&numa_lookup_index[i + 1], 1); - if (numa_dist_table_length != max_numa_index * max_numa_index) { + if (form2_distances_length != max_numa_index * max_numa_index) { WARN(1, "Wrong NUMA distance information\n"); - /* consider everybody else just remote. */ - for (i = 0; i < max_numa_index; i++) { - for (j = 0; j < max_numa_index; j++) { - int nodeA = numa_id_index_table[i]; - int nodeB = numa_id_index_table[j]; - - if (nodeA == nodeB) - numa_distance_table[nodeA][nodeB] = LOCAL_DISTANCE; - else - numa_distance_table[nodeA][nodeB] = REMOTE_DISTANCE; - } - } + form2_distances = NULL; // don't use it } - distance_index = 0; for (i = 0; i < max_numa_index; i++) { for (j = 0; j < max_numa_index; j++) { int nodeA = numa_id_index_table[i]; int nodeB = numa_id_index_table[j]; - - numa_distance_table[nodeA][nodeB] = numa_dist_table[distance_index++]; - pr_debug("dist[%d][%d]=%d ", nodeA, nodeB, numa_distance_table[nodeA][nodeB]); + int dist; + + if (form2_distances) + dist = form2_distances[distance_index++]; + else if (nodeA == nodeB) + dist = LOCAL_DISTANCE; + else + dist = REMOTE_DISTANCE; + numa_distance_table[nodeA][nodeB] = dist; + pr_debug("dist[%d][%d]=%d ", nodeA, nodeB, dist); } } + of_node_put(root); } @@ -585,7 +581,7 @@ static int of_get_assoc_arrays(struct assoc_arrays *aa) return 0; } -static int get_nid_and_numa_distance(struct drmem_lmb *lmb) +static int __init get_nid_and_numa_distance(struct drmem_lmb *lmb) { struct assoc_arrays aa = { .arrays = NULL }; int default_nid = NUMA_NO_NODE; |