Re: [PATCH 7/7] drm/rockchip: Cocci spatch "vma_pages"

[Mark yao]

On 2017å09æ21æ 06:29, Thomas Meyer wrote:
> Use vma_pages function on vma object instead of explicit computation.
> Found by coccinelle spatch "api/vma_pages.cocci"
>
> Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
> ---
Looks good for me:
Acked-by: Mark Yao <mark.yao@xxxxxxxxxxxxxx>

> diff -u -p a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
> @@ -220,7 +220,7 @@ static int rockchip_drm_gem_object_mmap_
>   {
>   	struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj);
>   	unsigned int i, count = obj->size >> PAGE_SHIFT;
> -	unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
> +	unsigned long user_count = vma_pages(vma);
>   	unsigned long uaddr = vma->vm_start;
>   	unsigned long offset = vma->vm_pgoff;
>   	unsigned long end = user_count + offset;
>
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--
ïark Yao