KVM: PPC: BookE: Use vma_pages function

Use vma_pages function on vma object instead of explicit computation.
Found by coccinelle spatch "api/vma_pages.cocci"

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>

diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c
index c6c734424c707002810ccf59d78c6cb670c74555..423b21393bc9c10f026d2ecade35447f10ec6b4a 100644 (file)
--- a/arch/powerpc/kvm/e500_mmu_host.c
+++ b/arch/powerpc/kvm/e500_mmu_host.c
@@ -377,7 +377,7 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
 
                        start = vma->vm_pgoff;
                        end = start +
-                             ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT);
+                             vma_pages(vma);
 
                        pfn = start + ((hva - vma->vm_start) >> PAGE_SHIFT);