[Xen-changelog] [linux-2.6.18-xen] [IA64] Kexec: Add xen_limit_pages_to_max_mfn()

["Xen patchbot-linux-2.6.18-xen" <patchbot-linux-2.6.18-xen@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Alex Williamson <alex.williamson@xxxxxx>
# Date 1190922158 21600
# Node ID 11646829a25fca9087c315776893759b919596e1
# Parent  1975088dfbce78a8f2a0c31937e8bf45530323b2
[IA64] Kexec: Add xen_limit_pages_to_max_mfn()

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@xxxxxxxxxxxx>
---
 arch/ia64/xen/hypervisor.c    |    8 ++++++++
 include/asm-ia64/hypervisor.h |    5 +++++
 2 files changed, 13 insertions(+)

diff -r 1975088dfbce -r 11646829a25f arch/ia64/xen/hypervisor.c
--- a/arch/ia64/xen/hypervisor.c        Thu Sep 27 13:40:11 2007 -0600
+++ b/arch/ia64/xen/hypervisor.c        Thu Sep 27 13:42:38 2007 -0600
@@ -397,6 +397,14 @@ __xen_destroy_contiguous_region(unsigned
                BUG_ON(error != num_gpfn);
        }
        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);
 }
 
 
diff -r 1975088dfbce -r 11646829a25f include/asm-ia64/hypervisor.h
--- a/include/asm-ia64/hypervisor.h     Thu Sep 27 13:40:11 2007 -0600
+++ b/include/asm-ia64/hypervisor.h     Thu Sep 27 13:42:38 2007 -0600
@@ -167,6 +167,11 @@ xen_destroy_contiguous_region(unsigned l
        if (is_running_on_xen())
                __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

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