On 2015년 06월 19일 14:23, Krzysztof Kozlowski wrote:
> The field 'vma' of 'exynos_drm_gem_obj' structure was introduced in
> 2a3098ff6c21 ("drm/exynos: add userptr feature for g2d module") but is
> not referenced anywhere.
>
> One instance of 'exynos_drm_gem_obj' may be mapped to multiple
> user-space VMAs so 'vma' field does not look useful anyway.
Krzysztof,
The vma member would be removed by below patch,
http://lists.freedesktop.org/archives/dri-devel/2015-May/082764.html
Thanks,
Inki Dae
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/exynos/exynos_drm_gem.h | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
> index 308173cb4f0a..6f42e2248288 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
> +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
> @@ -61,7 +61,6 @@ struct exynos_drm_gem_buf {
> * or at framebuffer creation.
> * @size: size requested from user, in bytes and this size is aligned
> * in page unit.
> - * @vma: a pointer to vm_area.
> * @flags: indicate memory type to allocated buffer and cache attruibute.
> *
> * P.S. this object would be transferred to user as kms_bo.handle so
> @@ -71,7 +70,6 @@ struct exynos_drm_gem_obj {
> struct drm_gem_object base;
> struct exynos_drm_gem_buf *buffer;
> unsigned long size;
> - struct vm_area_struct *vma;
> unsigned int flags;
> };
>
>
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