Re: [PATCH] vfio: vfio_pci_nvlink2: use a vma helper function

[Alex Williamson]

[Cc Alexey + kvm]

On Thu, 16 May 2019 20:38:26 +0800
"richard.peng@xxxxxxxx" <richard.peng@xxxxxxxx> wrote:

> Use a vma helper function to simply code.
> 
> Signed-off-by: Peng Hao <richard.peng@xxxxxxxx>
> ---
> Âdrivers/vfio/pci/vfio_pci_nvlink2.c | 3 +--
> Â1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c
> index 32f695ffe128..dc42aa0e47f6 100644
> --- a/drivers/vfio/pci/vfio_pci_nvlink2.c
> +++ b/drivers/vfio/pci/vfio_pci_nvlink2.c
> @@ -161,8 +161,7 @@ static int vfio_pci_nvgpu_mmap(struct vfio_pci_device *vdev,
> Â
> Â	atomic_inc(&data->mm->mm_count);
> Â	ret = (int) mm_iommu_newdev(data->mm, data->useraddr,
> -			(vma->vm_end - vma->vm_start) >> PAGE_SHIFT,
> -			data->gpu_hpa, &data->mem);
> +			vma_pages(vma), data->gpu_hpa, &data->mem);
> Â
> Â	trace_vfio_pci_nvgpu_mmap(vdev->pdev, data->gpu_hpa, data->useraddr,
> Â			vma->vm_end - vma->vm_start, ret);
> --Â
> 2.20.1