1 files changed, 3 insertions, 3 deletions

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 695db6a588ce..3ca331728d21 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -88,13 +88,13 @@ int page_is_ram(unsigned long pfn)
 }
 EXPORT_SYMBOL(page_is_ram);
 
-pgprot_t phys_mem_access_prot(struct file *file, unsigned long addr,
+pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
                               unsigned long size, pgprot_t vma_prot)
 {
         if (ppc_md.phys_mem_access_prot)
-                return ppc_md.phys_mem_access_prot(file, addr, size, vma_prot);
+                return ppc_md.phys_mem_access_prot(file, pfn, size, vma_prot);
 
-        if (!page_is_ram(addr >> PAGE_SHIFT))
+        if (!page_is_ram(pfn))
                 vma_prot = __pgprot(pgprot_val(vma_prot)
                                     | _PAGE_GUARDED | _PAGE_NO_CACHE);
         return vma_prot;