4 files changed, 11 insertions, 35 deletions

diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index 859fb37ff49b..303a9afcf2a1 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -959,7 +959,7 @@ remove_palinfo_proc_entries(unsigned int hcpu)
 	}
 }
 
-static int palinfo_cpu_callback(struct notifier_block *nfb,
+static int __cpuinit palinfo_cpu_callback(struct notifier_block *nfb,
 								unsigned long action,
 								void *hcpu)
 {
@@ -978,7 +978,7 @@ static int palinfo_cpu_callback(struct notifier_block *nfb,
 	return NOTIFY_OK;
 }
 
-static struct notifier_block palinfo_cpu_notifier =
+static struct notifier_block __cpuinitdata palinfo_cpu_notifier =
 {
 	.notifier_call = palinfo_cpu_callback,
 	.priority = 0,
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 355d57970ba3..b045c279136c 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -272,9 +272,9 @@ cpu_idle (void)
 	/* endless idle loop with no priority at all */
 	while (1) {
 		if (can_do_pal_halt)
-			clear_thread_flag(TIF_POLLING_NRFLAG);
+			current_thread_info()->status &= ~TS_POLLING;
 		else
-			set_thread_flag(TIF_POLLING_NRFLAG);
+			current_thread_info()->status |= TS_POLLING;
 
 		if (!need_resched()) {
 			void (*idle)(void);
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index 663a186ad194..9065f0f01ba3 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -572,7 +572,7 @@ static struct file_operations salinfo_data_fops = {
 };
 
 #ifdef	CONFIG_HOTPLUG_CPU
-static int
+static int __devinit
 salinfo_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu)
 {
 	unsigned int i, cpu = (unsigned long)hcpu;
@@ -673,9 +673,7 @@ salinfo_init(void)
 	salinfo_timer.function = &salinfo_timeout;
 	add_timer(&salinfo_timer);
 
-#ifdef	CONFIG_HOTPLUG_CPU
-	register_cpu_notifier(&salinfo_cpu_notifier);
-#endif
+	register_hotcpu_notifier(&salinfo_cpu_notifier);
 
 	return 0;
 }
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index 879edb51d1e0..5511d9c6c701 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -26,19 +26,10 @@
 #include <asm/numa.h>
 #include <asm/cpu.h>
 
-#ifdef CONFIG_NUMA
-static struct node *sysfs_nodes;
-#endif
 static struct ia64_cpu *sysfs_cpus;
 
 int arch_register_cpu(int num)
 {
-	struct node *parent = NULL;
-	
-#ifdef CONFIG_NUMA
-	parent = &sysfs_nodes[cpu_to_node(num)];
-#endif /* CONFIG_NUMA */
-
 #if defined (CONFIG_ACPI) && defined (CONFIG_HOTPLUG_CPU)
 	/*
 	 * If CPEI cannot be re-targetted, and this is
@@ -48,21 +39,14 @@ int arch_register_cpu(int num)
 		sysfs_cpus[num].cpu.no_control = 1;
 #endif
 
-	return register_cpu(&sysfs_cpus[num].cpu, num, parent);
+	return register_cpu(&sysfs_cpus[num].cpu, num);
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
 
 void arch_unregister_cpu(int num)
 {
-	struct node *parent = NULL;
-
-#ifdef CONFIG_NUMA
-	int node = cpu_to_node(num);
-	parent = &sysfs_nodes[node];
-#endif /* CONFIG_NUMA */
-
-	return unregister_cpu(&sysfs_cpus[num].cpu, parent);
+	return unregister_cpu(&sysfs_cpus[num].cpu);
 }
 EXPORT_SYMBOL(arch_register_cpu);
 EXPORT_SYMBOL(arch_unregister_cpu);
@@ -74,17 +58,11 @@ static int __init topology_init(void)
 	int i, err = 0;
 
 #ifdef CONFIG_NUMA
-	sysfs_nodes = kzalloc(sizeof(struct node) * MAX_NUMNODES, GFP_KERNEL);
-	if (!sysfs_nodes) {
-		err = -ENOMEM;
-		goto out;
-	}
-
 	/*
 	 * MCD - Do we want to register all ONLINE nodes, or all POSSIBLE nodes?
 	 */
 	for_each_online_node(i) {
-		if ((err = register_node(&sysfs_nodes[i], i, 0)))
+		if ((err = register_one_node(i)))
 			goto out;
 	}
 #endif
@@ -426,7 +404,7 @@ static int __cpuinit cache_remove_dev(struct sys_device * sys_dev)
  * When a cpu is hot-plugged, do a check and initiate
  * cache kobject if necessary
  */
-static int cache_cpu_callback(struct notifier_block *nfb,
+static int __cpuinit cache_cpu_callback(struct notifier_block *nfb,
 		unsigned long action, void *hcpu)
 {
 	unsigned int cpu = (unsigned long)hcpu;
@@ -444,7 +422,7 @@ static int cache_cpu_callback(struct notifier_block *nfb,
 	return NOTIFY_OK;
 }
 
-static struct notifier_block cache_cpu_notifier =
+static struct notifier_block __cpuinitdata cache_cpu_notifier =
 {
 	.notifier_call = cache_cpu_callback
 };