[PATCH 09/11] arch/powerpc/mm/subpage-prot.c: use walk_page_vma() instead of walk_page_range()

[Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>]

We don't have to use mm_walk->private to pass vma to the callback
function because of mm_walk->vma.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
---
 arch/powerpc/mm/subpage-prot.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git v3.13-rc3-mmots-2013-12-10-16-38.orig/arch/powerpc/mm/subpage-prot.c v3.13-rc3-mmots-2013-12-10-16-38/arch/powerpc/mm/subpage-prot.c
index a770df2dae70..cec0af0a935f 100644
--- v3.13-rc3-mmots-2013-12-10-16-38.orig/arch/powerpc/mm/subpage-prot.c
+++ v3.13-rc3-mmots-2013-12-10-16-38/arch/powerpc/mm/subpage-prot.c
@@ -134,7 +134,7 @@ static void subpage_prot_clear(unsigned long addr, unsigned long len)
 static int subpage_walk_pmd_entry(pmd_t *pmd, unsigned long addr,
 				  unsigned long end, struct mm_walk *walk)
 {
-	struct vm_area_struct *vma = walk->private;
+	struct vm_area_struct *vma = walk->vma;
 	split_huge_page_pmd(vma, addr, pmd);
 	return 0;
 }
@@ -163,9 +163,7 @@ static void subpage_mark_vma_nohuge(struct mm_struct *mm, unsigned long addr,
 		if (vma->vm_start >= (addr + len))
 			break;
 		vma->vm_flags |= VM_NOHUGEPAGE;
-		subpage_proto_walk.private = vma;
-		walk_page_range(vma->vm_start, vma->vm_end,
-				&subpage_proto_walk);
+		walk_page_vma(vma, &subpage_proto_walk);
 		vma = vma->vm_next;
 	}
 }
-- 
1.8.3.1

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