[PATCH] vfio-pci/nvlink2: Use vma_pages function instead of explicit computation
From: Thomas Meyer
Date: Wed May 29 2019 - 16:14:41 EST
Use vma_pages function on vma object instead of explicit computation.
Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
---
diff -u -p a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c
--- a/drivers/vfio/pci/vfio_pci_nvlink2.c
+++ b/drivers/vfio/pci/vfio_pci_nvlink2.c
@@ -161,7 +161,7 @@ static int vfio_pci_nvgpu_mmap(struct vf
atomic_inc(&data->mm->mm_count);
ret = (int) mm_iommu_newdev(data->mm, data->useraddr,
- (vma->vm_end - vma->vm_start) >> PAGE_SHIFT,
+ vma_pages(vma),
data->gpu_hpa, &data->mem);
trace_vfio_pci_nvgpu_mmap(vdev->pdev, data->gpu_hpa, data->useraddr,