[Xen-ia64-devel] [patch 04/16] Kexec: Add xen_limit_pages_to_max_mfn()

[Simon Horman <horms@xxxxxxxxxxxx>]

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>

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);

-- 

-- 
Horms
  H: http://www.vergenet.net/~horms/
  W: http://www.valinux.co.jp/en/


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