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xen: use vma_pages().

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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>
This commit is contained in:
Muhammad Falak R Wani
2016-05-24 05:34:32 +05:30
committed by David Vrabel
parent 0cac5c3018
commit c7ebf9d9c6
3 changed files with 3 additions and 3 deletions
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2
drivers/xen/gntalloc.c
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@@ -504,7 +504,7 @@ static int gntalloc_mmap(struct file *filp, struct vm_area_struct *vma)
struct gntalloc_file_private_data *priv = filp->private_data;
struct gntalloc_vma_private_data *vm_priv;
struct gntalloc_gref *gref;
int count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
int count = vma_pages(vma);
int rv, i;
if (!(vma->vm_flags & VM_SHARED)) {