From: Shyam Saini <mayhs11saini@gmail.com>
To: rth@twiddle.net
Cc: ink@jurassic.park.msu.ru, mattst88@gmail.com,
bhelgaas@google.com, linux-kernel@vger.kernel.org,
Shyam Saini <mayhs11saini@gmail.com>
Subject: [PATCH 1/1] arch: alpha: kernel: Use vma_pages()
Date: Mon, 10 Oct 2016 05:47:36 +0530 [thread overview]
Message-ID: <1476058656-11549-1-git-send-email-mayhs11saini@gmail.com> (raw)
Replace explicit computation of vma page count by a call to
vma_pages()
Signed-off-by: Shyam Saini <mayhs11saini@gmail.com>
---
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
reply other threads:[~2016-10-10 0:18 UTC|newest]
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