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authorMuhammad Falak R Wani <falakreyaz@gmail.com>2016-05-24 05:34:32 +0530
committerDavid Vrabel <david.vrabel@citrix.com>2016-07-06 10:34:47 +0100
commitc7ebf9d9c6b4e9402b978da0b0785db4129c1f79 (patch)
tree600f397525a94ed5c4a712ae01d086a497bbef82 /drivers/xen/gntdev.c
parent0cac5c3018b32707b3bab40e4beb83f91c4204f1 (diff)
xen: use vma_pages().
Replace explicit computation of vma page count by a call to vma_pages(). Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'drivers/xen/gntdev.c')
-rw-r--r--drivers/xen/gntdev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 67939578cd6d..bb952121ea94 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -982,7 +982,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
{
struct gntdev_priv *priv = flip->private_data;
int index = vma->vm_pgoff;
- int count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
+ int count = vma_pages(vma);
struct grant_map *map;
int i, err = -EINVAL;