From: Thomas Meyer <thomas@m3y3r.de>
Date: Wed, 20 Sep 2017 22:29:36 +0000 (+0200)
Subject: microblaze: Cocci spatch "vma_pages"
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=64c99853baca40e2f06038c4a926009edd14c7c3;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

microblaze: 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@m3y3r.de>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index e45ada8fb006..94700c5270a9 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -165,7 +165,7 @@ int dma_direct_mmap_coherent(struct device *dev, struct vm_area_struct *vma,
 			     unsigned long attrs)
 {
 #ifdef CONFIG_MMU
-	unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
+	unsigned long user_count = vma_pages(vma);
 	unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT;
 	unsigned long off = vma->vm_pgoff;
 	unsigned long pfn;