[PATCH 1/1] arch: alpha: kernel: Use vma_pages()

From: Shyam Saini
Date: Sun Oct 09 2016 - 20:18:36 EST


Replace explicit computation of vma page count by a call to
vma_pages()

Signed-off-by: Shyam Saini <mayhs11saini@xxxxxxxxx>
---
arch/alpha/kernel/pci-sysfs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c
index 92c0d46..652449e 100644
--- a/arch/alpha/kernel/pci-sysfs.c
+++ b/arch/alpha/kernel/pci-sysfs.c
@@ -38,7 +38,7 @@ static int __pci_mmap_fits(struct pci_dev *pdev, int num,
unsigned long nr, start, size;
int shift = sparse ? 5 : 0;

- nr = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
+ nr = vma_pages(vma);
start = vma->vm_pgoff;
size = ((pci_resource_len(pdev, num) - 1) >> (PAGE_SHIFT - shift)) + 1;

@@ -255,7 +255,7 @@ static int __legacy_mmap_fits(struct pci_controller *hose,
{
unsigned long nr, start, size;

- nr = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
+ nr = vma_pages(vma);
start = vma->vm_pgoff;
size = ((res_size - 1) >> PAGE_SHIFT) + 1;

--
2.7.4