On Wed, 24 Jul 2024 11:18:27 -0700, Thorsten Blum wrote:
>
> Use the vma_pages() helper function and remove the following
> Coccinelle/coccicheck warning reported by vma_pages.cocci:
>
> WARNING: Consider using vma_pages helper on vma
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@xxxxxxxxx>
>
> Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxxx>
> ---
> drivers/gpu/drm/xe/xe_oa.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/xe/xe_oa.c b/drivers/gpu/drm/xe/xe_oa.c
> index 6d69f751bf78..133292a9d687 100644
> --- a/drivers/gpu/drm/xe/xe_oa.c
> +++ b/drivers/gpu/drm/xe/xe_oa.c
> @@ -1244,8 +1244,7 @@ static int xe_oa_mmap(struct file *file, struct vm_area_struct *vma)
> vm_flags_mod(vma, VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP | VM_DONTCOPY,
> VM_MAYWRITE | VM_MAYEXEC);
>
> - xe_assert(stream->oa->xe, bo->ttm.ttm->num_pages ==
> - (vma->vm_end - vma->vm_start) >> PAGE_SHIFT);
> + xe_assert(stream->oa->xe, bo->ttm.ttm->num_pages == vma_pages(vma));
> for (i = 0; i < bo->ttm.ttm->num_pages; i++) {
> ret = remap_pfn_range(vma, start, page_to_pfn(bo->ttm.ttm->pages[i]),
> PAGE_SIZE, vma->vm_page_prot);
> --
> 2.45.2
>
