Date: Thu, 12 Jul 2007 15:36:23 +0900
Subject: [IA64] Kexec: Add xen_limit_pages_to_max_mfn()
From: Simon Horman <horms@verge.net.au>

Add xen_limit_pages_to_max_mfn() in keeping with x86.
On ia64 it seems that it just needs to be a wrapper
for xen_create_contiguous_region().

Signed-off-by: Simon Horman <horms@verge.net.au>

Index: linux-2.6.18-xen.hg/arch/ia64/xen/hypervisor.c
===================================================================
--- linux-2.6.18-xen.hg.orig/arch/ia64/xen/hypervisor.c	2007-07-11 12:08:54.000000000 +0900
+++ linux-2.6.18-xen.hg/arch/ia64/xen/hypervisor.c	2007-07-11 17:39:02.000000000 +0900
@@ -399,6 +399,14 @@ __xen_destroy_contiguous_region(unsigned
 	balloon_unlock(flags);
 }
 
+int
+xen_limit_pages_to_max_mfn(struct page *pages, unsigned int order,
+			   unsigned int address_bits)
+{
+	return xen_create_contiguous_region((unsigned long)page_address(pages),
+					    order, address_bits);
+}
+
 
 ///////////////////////////////////////////////////////////////////////////
 // grant table hack
Index: linux-2.6.18-xen.hg/include/asm-ia64/hypervisor.h
===================================================================
--- linux-2.6.18-xen.hg.orig/include/asm-ia64/hypervisor.h	2007-07-11 12:12:17.000000000 +0900
+++ linux-2.6.18-xen.hg/include/asm-ia64/hypervisor.h	2007-07-11 17:39:05.000000000 +0900
@@ -168,6 +168,11 @@ xen_destroy_contiguous_region(unsigned l
 		__xen_destroy_contiguous_region(vstart, order);
 }
 
+struct page;
+
+int xen_limit_pages_to_max_mfn(struct page *pages, unsigned int order,
+			       unsigned int address_bits);
+
 /* For drivers/xen/core/machine_reboot.c */
 #define HAVE_XEN_POST_SUSPEND
 void xen_post_suspend(int suspend_cancelled);