diff options
Diffstat (limited to 'arch/x86/mm/numa.c')
| -rw-r--r-- | arch/x86/mm/numa.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index f3a19e939e8..429dc2d191f 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -12,7 +12,7 @@ /* * Which logical CPUs are on which nodes */ -cpumask_t *node_to_cpumask_map; +cpumask_var_t node_to_cpumask_map[MAX_NUMNODES]; EXPORT_SYMBOL(node_to_cpumask_map); /* @@ -25,7 +25,6 @@ EXPORT_SYMBOL(node_to_cpumask_map); void __init setup_node_to_cpumask_map(void) { unsigned int node, num = 0; - cpumask_t *map; /* setup nr_node_ids if not done yet */ if (nr_node_ids == MAX_NUMNODES) { @@ -35,14 +34,11 @@ void __init setup_node_to_cpumask_map(void) } /* allocate the map */ - map = alloc_bootmem_low(nr_node_ids * sizeof(cpumask_t)); - DBG("node_to_cpumask_map at %p for %d nodes\n", map, nr_node_ids); + for (node = 0; node < nr_node_ids; node++) + alloc_bootmem_cpumask_var(&node_to_cpumask_map[node]); - pr_debug("Node to cpumask map at %p for %d nodes\n", - map, nr_node_ids); - - /* node_to_cpumask() will now work */ - node_to_cpumask_map = map; + /* cpumask_of_node() will now work */ + pr_debug("Node to cpumask map for %d nodes\n", nr_node_ids); } #ifdef CONFIG_DEBUG_PER_CPU_MAPS @@ -51,13 +47,6 @@ void __init setup_node_to_cpumask_map(void) */ const cpumask_t *cpumask_of_node(int node) { - if (node_to_cpumask_map == NULL) { - printk(KERN_WARNING - "cpumask_of_node(%d): no node_to_cpumask_map!\n", - node); - dump_stack(); - return cpu_online_mask; - } if (node >= nr_node_ids) { printk(KERN_WARNING "cpumask_of_node(%d): node > nr_node_ids(%d)\n", @@ -65,6 +54,13 @@ const cpumask_t *cpumask_of_node(int node) dump_stack(); return cpu_none_mask; } + if (node_to_cpumask_map[node] == NULL) { + printk(KERN_WARNING + "cpumask_of_node(%d): no node_to_cpumask_map!\n", + node); + dump_stack(); + return cpu_online_mask; + } return &node_to_cpumask_map[node]; } EXPORT_SYMBOL(cpumask_of_node); |