Replace explicit computation of vma page count by a call to
vma_pages()
Signed-off-by: Allen Pais <allen.lkml at gmail.com>
---
drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
index 1869c8b..d4c429c 100644
--- 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_iommu(struct drm_gem_object *obj,
{
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;
--
2.7.4
