[PATCH] drm/gma500: use vma_pages().

[Muhammad Falak R Wani]

Replace explicit computation of vma page count by a call to
vma_pages()

Signed-off-by: Muhammad Falak R Wani <falakreyaz at gmail.com>
---
 drivers/gpu/drm/gma500/framebuffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/gma500/framebuffer.c 
b/drivers/gpu/drm/gma500/framebuffer.c
index 7440bf9..5486e7e 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -125,7 +125,7 @@ static int psbfb_vm_fault(struct vm_area_struct *vma, 
struct vm_fault *vmf)
        unsigned long phys_addr = (unsigned long)dev_priv->stolen_base +
                                  psbfb->gtt->offset;

-       page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
+       page_num = vma_pages(vma);
        address = (unsigned long)vmf->virtual_address - (vmf->pgoff << 
PAGE_SHIFT);

        vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-- 
1.9.1