On Sun, 26 May 2019 13:44:04 +0200 "Thomas Meyer" <thomas@xxxxxxxx> wrote: > From thomas@xxxxxxxx Sun May 26 00:13:26 2019 > Subject: [PATCH] vfio-pci/nvlink2: Use vma_pages function instead of explicit > computation > To: alex.williamson@xxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx > Content-Type: text/plain; charset="UTF-8" > Mime-Version: 1.0 > Content-Transfer-Encoding: 8bit > X-Patch: Cocci > X-Mailer: DiffSplit > Message-ID: <1558822461341-1674464153-1-diffsplit-thomas@xxxxxxxx> > References: <1558822461331-726613767-0-diffsplit-thomas@xxxxxxxx> > In-Reply-To: <1558822461331-726613767-0-diffsplit-thomas@xxxxxxxx> > X-Serial-No: 1 Hi, some kind of accident seems to have happened to your patch... maybe the missing colon after the 'From'? > > 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, The change looks good to me. Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>