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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>
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3 changed files with 3 additions and 3 deletions
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@ -504,7 +504,7 @@ static int gntalloc_mmap(struct file *filp, struct vm_area_struct *vma)
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struct gntalloc_file_private_data *priv = filp->private_data;
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struct gntalloc_file_private_data *priv = filp->private_data;
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struct gntalloc_vma_private_data *vm_priv;
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struct gntalloc_vma_private_data *vm_priv;
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struct gntalloc_gref *gref;
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struct gntalloc_gref *gref;
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int count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
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int count = vma_pages(vma);
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int rv, i;
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int rv, i;
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if (!(vma->vm_flags & VM_SHARED)) {
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if (!(vma->vm_flags & VM_SHARED)) {
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@ -982,7 +982,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
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{
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{
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struct gntdev_priv *priv = flip->private_data;
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struct gntdev_priv *priv = flip->private_data;
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int index = vma->vm_pgoff;
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int index = vma->vm_pgoff;
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int count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
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int count = vma_pages(vma);
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struct grant_map *map;
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struct grant_map *map;
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int i, err = -EINVAL;
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int i, err = -EINVAL;
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@ -582,7 +582,7 @@ static long privcmd_ioctl(struct file *file,
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static void privcmd_close(struct vm_area_struct *vma)
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static void privcmd_close(struct vm_area_struct *vma)
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{
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{
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struct page **pages = vma->vm_private_data;
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struct page **pages = vma->vm_private_data;
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int numpgs = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
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int numpgs = vma_pages(vma);
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int numgfns = (vma->vm_end - vma->vm_start) >> XEN_PAGE_SHIFT;
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int numgfns = (vma->vm_end - vma->vm_start) >> XEN_PAGE_SHIFT;
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int rc;
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int rc;
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