1 files changed, 6 insertions, 11 deletions

diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index ee5e68b2af94..544dc420c65e 100644
--- 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++;
 
@@ -124,6 +124,7 @@ static unsigned long __meminit compute_pernodesize(int node)
 	pernodesize += node * L1_CACHE_BYTES;
 	pernodesize += L1_CACHE_ALIGN(sizeof(pg_data_t));
 	pernodesize += L1_CACHE_ALIGN(sizeof(struct ia64_node_data));
+	pernodesize += L1_CACHE_ALIGN(sizeof(pg_data_t));
 	pernodesize = PAGE_ALIGN(pernodesize);
 	return pernodesize;
 }
@@ -142,7 +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);
@@ -345,7 +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;
 	}
@@ -444,7 +445,7 @@ void __init find_memory(void)
 			mem_data[node].min_pfn = ~0UL;
 		}
 
-	efi_memmap_walk(register_active_ranges, NULL);
+	efi_memmap_walk(filter_memory, register_active_ranges);
 
 	/*
 	 * Initialize the boot memory maps in reverse order since that's
@@ -493,13 +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];
 	}
 
@@ -522,8 +519,6 @@ void show_mem(void)
 
 	printk(KERN_INFO "Mem-info:\n");
 	show_free_areas();
-	printk(KERN_INFO "Free swap:       %6ldkB\n",
-	       nr_swap_pages<<(PAGE_SHIFT-10));
 	printk(KERN_INFO "Node memory in pages:\n");
 	for_each_online_pgdat(pgdat) {
 		unsigned long present;