[IA64] Minimize per_cpu reservations.

[linux-2.6-omap-h63xx.git] / arch / ia64 / mm / discontig.c

diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 06c540a29467064a4103806b5b33d07531c6acce..6136a4c6df11dddf90560eaf13f93537216685f3 100644 (file)
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -104,7 +104,7 @@ static int __meminit early_nr_cpus_node(int node)
 {
        int cpu, n = 0;
 
-       for (cpu = 0; cpu < NR_CPUS; cpu++)
+       for_each_possible_early_cpu(cpu)
                if (node == node_cpuid[cpu].nid)
                        n++;
 
@@ -143,7 +143,7 @@ static void *per_cpu_node_setup(void *cpu_data, int node)
 #ifdef CONFIG_SMP
        int cpu;
 
-       for (cpu = 0; cpu < NR_CPUS; cpu++) {
+       for_each_possible_early_cpu(cpu) {
                if (node == node_cpuid[cpu].nid) {
                        memcpy(__va(cpu_data), __phys_per_cpu_start,
                               __per_cpu_end - __per_cpu_start);
@@ -346,7 +346,7 @@ static void __init initialize_pernode_data(void)
 
 #ifdef CONFIG_SMP
        /* Set the node_data pointer for each per-cpu struct */
-       for (cpu = 0; cpu < NR_CPUS; cpu++) {
+       for_each_possible_early_cpu(cpu) {
                node = node_cpuid[cpu].nid;
                per_cpu(cpu_info, cpu).node_data = mem_data[node].node_data;
        }
@@ -494,13 +494,9 @@ void __cpuinit *per_cpu_init(void)
        int cpu;
        static int first_time = 1;
 
-
-       if (smp_processor_id() != 0)
-               return __per_cpu_start + __per_cpu_offset[smp_processor_id()];
-
        if (first_time) {
                first_time = 0;
-               for (cpu = 0; cpu < NR_CPUS; cpu++)
+               for_each_possible_early_cpu(cpu)
                        per_cpu(local_per_cpu_offset, cpu) = __per_cpu_offset[cpu];
        }