linux-kernel - [PATCH 6/7] KVM: PPC: Cocci spatch "vma

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Date:   Thu, 21 Sep 2017 00:29:36 +0200
From:   Thomas Meyer <thomas@...3r.de>
To:     agraf@...e.com, benh@...nel.crashing.org, paulus@...ba.org,
        mpe@...erman.id.au, kvm-ppc@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH 6/7] KVM: PPC: Cocci spatch "vma_pages"

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@...3r.de>
---

diff -u -p a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c
--- 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
 
 			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);