[IA64] use domheap for mpt_table.

Now there is no need to allocate pages for mpt_table from xenheap.
So allocate it from domheap.

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff --git a/xen/arch/ia64/xen/xenmem.c b/xen/arch/ia64/xen/xenmem.c
--- a/xen/arch/ia64/xen/xenmem.c
+++ b/xen/arch/ia64/xen/xenmem.c
@@ -49,6 +49,7 @@ paging_init (void)
 {
 	unsigned int mpt_order;
 	unsigned long mpt_table_size;
+	struct page_info *page;
 	unsigned long i;
 
 	if (!opt_contig_mem) {
@@ -64,9 +65,11 @@ paging_init (void)
 	mpt_table_size = max_page * sizeof(unsigned long);
 	mpt_order = get_order(mpt_table_size);
 	ASSERT(mpt_order <= MAX_ORDER);
-	if ((mpt_table = alloc_xenheap_pages(mpt_order)) == NULL)
+	page = alloc_domheap_pages(NULL, mpt_order, 0);
+	if (page == NULL)
 		panic("Not enough memory to bootstrap Xen.\n");
 
+	mpt_table = page_to_virt(page);
 	printk("machine to physical table: 0x%lx mpt_table_size 0x%lx\n"
 	       "mpt_order %u max_page 0x%lx\n",
 	       (u64)mpt_table, mpt_table_size, mpt_order, max_page);