xen: correctly use xen_pfn_t in remap_domain_mfn_range.

For Xen on ARM a PFN is 64 bits so we need to use the appropriate
type here.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
[v2: include the necessary header,
     Reported-by: Fengguang Wu <fengguang.wu@intel.com> ]

diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 0f6386a..fd8393f 100644 (file)
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -2478,7 +2478,7 @@ static int remap_area_mfn_pte_fn(pte_t *ptep, pgtable_t token,
 
 int xen_remap_domain_mfn_range(struct vm_area_struct *vma,
                               unsigned long addr,
-                              unsigned long mfn, int nr,
+                              xen_pfn_t mfn, int nr,
                               pgprot_t prot, unsigned domid,
                               struct page **pages)
 

diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h
index 990b43e..a50e7be 100644 (file)
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -2,6 +2,7 @@
 #define INCLUDE_XEN_OPS_H
 
 #include <linux/percpu.h>
+#include <asm/xen/interface.h>
 
 DECLARE_PER_CPU(struct vcpu_info *, xen_vcpu);
 
@@ -26,7 +27,7 @@ void xen_destroy_contiguous_region(unsigned long vstart, unsigned int order);
 struct vm_area_struct;
 int xen_remap_domain_mfn_range(struct vm_area_struct *vma,
                               unsigned long addr,
-                              unsigned long mfn, int nr,
+                              xen_pfn_t mfn, int nr,
                               pgprot_t prot, unsigned domid,
                               struct page **pages);
 int xen_unmap_domain_mfn_range(struct vm_area_struct *vma,