[IA64] add init declaration to memory initialization functions

Add init declaration to variables/functions used for memory
initialization.  I don't think they would clash with memory
hotplug.  If they do, please yell.

Signed-off-by: Ken Chen <kenneth.w.chen@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 08d94e6..3748768 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -206,7 +206,7 @@
 	       (__init_end - __init_begin) >> 10);
 }
 
-void
+void __init
 free_initrd_mem (unsigned long start, unsigned long end)
 {
 	struct page *page;
@@ -261,7 +261,7 @@
 /*
  * This installs a clean page in the kernel's page table.
  */
-struct page *
+static struct page * __init
 put_kernel_page (struct page *page, unsigned long address, pgprot_t pgprot)
 {
 	pgd_t *pgd;
@@ -411,7 +411,7 @@
 
 #ifdef CONFIG_VIRTUAL_MEM_MAP
 
-int
+int __init
 create_mem_map_page_table (u64 start, u64 end, void *arg)
 {
 	unsigned long address, start_page, end_page;
@@ -519,7 +519,7 @@
 }
 EXPORT_SYMBOL(ia64_pfn_valid);
 
-int
+int __init
 find_largest_hole (u64 start, u64 end, void *arg)
 {
 	u64 *max_gap = arg;
@@ -535,7 +535,7 @@
 }
 #endif /* CONFIG_VIRTUAL_MEM_MAP */
 
-static int
+static int __init
 count_reserved_pages (u64 start, u64 end, void *arg)
 {
 	unsigned long num_reserved = 0;
@@ -567,7 +567,7 @@
 
 __setup("nolwsys", nolwsys_setup);
 
-void
+void __init
 mem_init (void)
 {
 	long reserved_pages, codesize, datasize, initsize;