[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>

arch/ia64/kernel/setup.c

@@ -131,8 +131,8 @@ EXPORT_SYMBOL(ia64_max_iommu_merge_mask);
 /*
  * We use a special marker for the end of memory and it uses the extra (+1) slot
  */
-struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
-int num_rsvd_regions;
+struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1] __initdata;
+int num_rsvd_regions __initdata;
 
 
 /*
@@ -141,7 +141,7 @@ int num_rsvd_regions;
  * caller-specified function is called with the memory ranges that remain after filtering.
  * This routine does not assume the incoming segments are sorted.
  */
-int
+int __init
 filter_rsvd_memory (unsigned long start, unsigned long end, void *arg)
 {
 	unsigned long range_start, range_end, prev_start;
@@ -177,7 +177,7 @@ filter_rsvd_memory (unsigned long start, unsigned long end, void *arg)
 	return 0;
 }
 
-static void
+static void __init
 sort_regions (struct rsvd_region *rsvd_region, int max)
 {
 	int j;
@@ -218,7 +218,7 @@ __initcall(register_memory);
  * initrd, etc.  There are currently %IA64_MAX_RSVD_REGIONS defined,
  * see include/asm-ia64/meminit.h if you need to define more.
  */
-void
+void __init
 reserve_memory (void)
 {
 	int n = 0;
@@ -270,7 +270,7 @@ reserve_memory (void)
  * Grab the initrd start and end from the boot parameter struct given us by
  * the boot loader.
  */
-void
+void __init
 find_initrd (void)
 {
 #ifdef CONFIG_BLK_DEV_INITRD

arch/ia64/mm/contig.c

@@ -97,7 +97,7 @@ find_max_pfn (unsigned long start, unsigned long end, void *arg)
  * 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 @@ find_bootmap_location (unsigned long start, unsigned long end, void *arg)
  * 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 @@ count_dma_pages (u64 start, u64 end, void *arg)
  * Set up the page tables.
  */
 
-void
+void __init
 paging_init (void)
 {
 	unsigned long max_dma;

arch/ia64/mm/init.c

@@ -206,7 +206,7 @@ free_initmem (void)
 	       (__init_end - __init_begin) >> 10);
 }
 
-void
+void __init
 free_initrd_mem (unsigned long start, unsigned long end)
 {
 	struct page *page;
@@ -261,7 +261,7 @@ free_initrd_mem (unsigned long start, unsigned long end)
 /*
  * 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 @@ ia64_mmu_init (void *my_cpu_data)
 
 #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 @@ ia64_pfn_valid (unsigned long pfn)
 }
 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 @@ find_largest_hole (u64 start, u64 end, void *arg)
 }
 #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 @@ nolwsys_setup (char *s)
 
 __setup("nolwsys", nolwsys_setup);
 
-void
+void __init
 mem_init (void)
 {
 	long reserved_pages, codesize, datasize, initsize;