[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/contig.c b/arch/ia64/mm/contig.c
index 8abb9e8..84fd1c1 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -97,7 +97,7 @@
  * Find a place to put the bootmap and return its starting address in
  * bootmap_start.  This address must be page-aligned.
  */
-int
+static int __init
 find_bootmap_location (unsigned long start, unsigned long end, void *arg)
 {
 	unsigned long needed = *(unsigned long *)arg;
@@ -141,7 +141,7 @@
  * Walk the EFI memory map and find usable memory for the system, taking
  * into account reserved areas.
  */
-void
+void __init
 find_memory (void)
 {
 	unsigned long bootmap_size;
@@ -228,7 +228,7 @@
  * Set up the page tables.
  */
 
-void
+void __init
 paging_init (void)
 {
 	unsigned long max_dma;