From d6e932177090463e5c709e9e61bbd705a33a1609 Mon Sep 17 00:00:00 2001
From: Libin <huawei.libin@huawei.com>
Date: Wed, 3 Jul 2013 15:01:26 -0700
Subject: [PATCH] mm: use vma_pages() to replace (vm_end - vm_start) >>
 PAGE_SHIFT

(*->vm_end - *->vm_start) >> PAGE_SHIFT operation is implemented
as a inline funcion vma_pages() in linux/mm.h, so using it.

Signed-off-by: Libin <huawei.libin@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
Reading git-format-patch failed