4 files changed, 25 insertions, 55 deletions

diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index dabd6c32641e..7c1ddc8ac443 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -30,19 +30,19 @@ extern spinlock_t timerlist_lock;
 fpswa_interface_t *fpswa_interface;
 EXPORT_SYMBOL(fpswa_interface);
 
-struct notifier_block *ia64die_chain;
+ATOMIC_NOTIFIER_HEAD(ia64die_chain);
 
 int
 register_die_notifier(struct notifier_block *nb)
 {
-        return notifier_chain_register(&ia64die_chain, nb);
+        return atomic_notifier_chain_register(&ia64die_chain, nb);
 }
 EXPORT_SYMBOL_GPL(register_die_notifier);
 
 int
 unregister_die_notifier(struct notifier_block *nb)
 {
-        return notifier_chain_unregister(&ia64die_chain, nb);
+        return atomic_notifier_chain_unregister(&ia64die_chain, nb);
 }
 EXPORT_SYMBOL_GPL(unregister_die_notifier);
 
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 2f5e44862e91..ec9eeb89975d 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -379,31 +379,6 @@ static void __init *memory_less_node_alloc(int nid, unsigned long pernodesize)
 }
 
 /**
- * pgdat_insert - insert the pgdat into global pgdat_list
- * @pgdat: the pgdat for a node.
- */
-static void __init pgdat_insert(pg_data_t *pgdat)
-{
-        pg_data_t *prev = NULL, *next;
-
-        for_each_pgdat(next)
-                if (pgdat->node_id < next->node_id)
-                        break;
-                else
-                        prev = next;
-
-        if (prev) {
-                prev->pgdat_next = pgdat;
-                pgdat->pgdat_next = next;
-        } else {
-                pgdat->pgdat_next = pgdat_list;
-                pgdat_list = pgdat;
-        }
-
-        return;
-}
-
-/**
  * memory_less_nodes - allocate and initialize CPU only nodes pernode
  *      information.
  */
@@ -560,7 +535,7 @@ void show_mem(void)
         printk("Mem-info:\n");
         show_free_areas();
         printk("Free swap:       %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
-        for_each_pgdat(pgdat) {
+        for_each_online_pgdat(pgdat) {
                 unsigned long present;
                 unsigned long flags;
                 int shared = 0, cached = 0, reserved = 0;
@@ -745,11 +720,5 @@ void __init paging_init(void)
                                     pfn_offset, zholes_size);
         }
 
-        /*
-         * Make memory less nodes become a member of the known nodes.
-         */
-        for_each_node_mask(node, memory_less_mask)
-                pgdat_insert(mem_data[node].pgdat);
-
         zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
 }
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index ff4f31fcd330..2ef1151cde90 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -600,7 +600,7 @@ mem_init (void)
         kclist_add(&kcore_vmem, (void *)VMALLOC_START, VMALLOC_END-VMALLOC_START);
         kclist_add(&kcore_kernel, _stext, _end - _stext);
 
-        for_each_pgdat(pgdat)
+        for_each_online_pgdat(pgdat)
                 if (pgdat->bdata->node_bootmem_map)
                         totalram_pages += free_all_bootmem_node(pgdat);
 
diff --git a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
index c686d9c12f7b..5100261310f7 100644
--- a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
+++ b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
@@ -93,19 +93,22 @@ static int coherence_id_open(struct inode *inode, struct file *file)
 static struct proc_dir_entry
 *sn_procfs_create_entry(const char *name, struct proc_dir_entry *parent,
                         int (*openfunc)(struct inode *, struct file *),
-                        int (*releasefunc)(struct inode *, struct file *))
+        int (*releasefunc)(struct inode *, struct file *),
+        ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *))
 {
         struct proc_dir_entry *e = create_proc_entry(name, 0444, parent);
 
         if (e) {
-                e->proc_fops = (struct file_operations *)kmalloc(
-                        sizeof(struct file_operations), GFP_KERNEL);
-                if (e->proc_fops) {
-                        memset(e->proc_fops, 0, sizeof(struct file_operations));
-                        e->proc_fops->open = openfunc;
-                        e->proc_fops->read = seq_read;
-                        e->proc_fops->llseek = seq_lseek;
-                        e->proc_fops->release = releasefunc;
+                struct file_operations *f;
+
+                f = kzalloc(sizeof(*f), GFP_KERNEL);
+                if (f) {
+                        f->open = openfunc;
+                        f->read = seq_read;
+                        f->llseek = seq_lseek;
+                        f->release = releasefunc;
+                        f->write = write;
+                        e->proc_fops = f;
                 }
         }
 
@@ -119,31 +122,29 @@ extern int sn_topology_release(struct inode *, struct file *);
 void register_sn_procfs(void)
 {
         static struct proc_dir_entry *sgi_proc_dir = NULL;
-        struct proc_dir_entry *e;
 
         BUG_ON(sgi_proc_dir != NULL);
         if (!(sgi_proc_dir = proc_mkdir("sgi_sn", NULL)))
                 return;
 
         sn_procfs_create_entry("partition_id", sgi_proc_dir,
-                               partition_id_open, single_release);
+                partition_id_open, single_release, NULL);
 
         sn_procfs_create_entry("system_serial_number", sgi_proc_dir,
-                               system_serial_number_open, single_release);
+                system_serial_number_open, single_release, NULL);
 
         sn_procfs_create_entry("licenseID", sgi_proc_dir, 
-                               licenseID_open, single_release);
+                licenseID_open, single_release, NULL);
 
-        e = sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir, 
-                                   sn_force_interrupt_open, single_release);
-        if (e) 
-                e->proc_fops->write = sn_force_interrupt_write_proc;
+        sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir,
+                sn_force_interrupt_open, single_release,
+                sn_force_interrupt_write_proc);
 
         sn_procfs_create_entry("coherence_id", sgi_proc_dir, 
-                               coherence_id_open, single_release);
+                coherence_id_open, single_release, NULL);
         
         sn_procfs_create_entry("sn_topology", sgi_proc_dir,
-                               sn_topology_open, sn_topology_release);
+                sn_topology_open, sn_topology_release, NULL);
 }
 
 #endif /* CONFIG_PROC_FS */