[PATCH] ia64 build fix

[Alex Williamson <alex.williamson@hp.com>]

Hi Keir,

   Changeset 16067:9f9f9b68cd08 breaks all non-x86 archs.  Here's a
patch that gets things to a working state on ia64.  Thanks,

	Alex


[IA64] Update for cset 16067:9f9f9b68cd08

Signed-off-by: Alex Williamson <alex.williamson@hp.com>
---

diff -r a1d0a272c890 xen/arch/ia64/xen/mm.c
--- a/xen/arch/ia64/xen/mm.c	Fri Oct 05 14:39:40 2007 +0100
+++ b/xen/arch/ia64/xen/mm.c	Fri Oct 05 10:43:20 2007 -0600
@@ -2893,6 +2893,13 @@ arch_memory_op(int op, XEN_GUEST_HANDLE(
     return 0;
 }
 
+int
+iomem_page_test(unsigned long mfn, struct page_info *page)
+{
+	return unlikely(!mfn_valid(mfn)) ||
+	       unlikely(page_get_owner(page) == dom_io);
+}
+
 /*
  * Local variables:
  * mode: C
diff -r a1d0a272c890 xen/include/asm-ia64/mm.h
--- a/xen/include/asm-ia64/mm.h	Fri Oct 05 14:39:40 2007 +0100
+++ b/xen/include/asm-ia64/mm.h	Fri Oct 05 10:41:55 2007 -0600
@@ -184,6 +184,9 @@ static inline int get_page(struct page_i
     while(unlikely((y = cmpxchg_acq((u64*)&page->count_info, x, nx)) != x));
     return 1;
 }
+
+/* Decide whether this page looks like iomem or real memory */
+int iomem_page_test(unsigned long mfn, struct page_info *page);
 
 extern void put_page_type(struct page_info *page);
 extern int get_page_type(struct page_info *page, u32 type);