linux-kernel - [PATCH 3/5] xen: correctly use xen_pfn_t in remap_domain_mfn

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Date:	Wed, 24 Oct 2012 14:19:35 +0100
From:	Ian Campbell <ian.campbell@...rix.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	Stefano Stabellini <stefano.stabellini@...rix.com>,
	xen-devel <xen-devel@...ts.xen.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Ian Campbell <ian.campbell@...rix.com>
Subject: [PATCH 3/5] 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@...rix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
---
 arch/x86/xen/mmu.c    |    2 +-
 include/xen/xen-ops.h |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 5747a41..58f2084 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -2599,7 +2599,7 @@ 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..ee188eb 100644
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -26,7 +26,7 @@ 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,
-- 
1.7.2.5

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