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Commit c7ebf9d9 authored by Muhammad Falak R Wani's avatar Muhammad Falak R Wani Committed by David Vrabel
Browse files

xen: use vma_pages(). 



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

Signed-off-by: default avatarMuhammad Falak R Wani <falakreyaz@gmail.com>
Reviewed-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: default avatarDavid Vrabel <david.vrabel@citrix.com>
parent 0cac5c30

drivers/xen/gntalloc.c

+1 −1
Original line number Diff line number Diff line
@@ -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)) {

drivers/xen/gntdev.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

drivers/xen/privcmd.c

+1 −1
Original line number Diff line number Diff line
@@ -582,7 +582,7 @@ static long privcmd_ioctl(struct file *file, 
static void privcmd_close(struct vm_area_struct *vma)

{

	struct page **pages = vma->vm_private_data;

	int numpgs = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;

	int numpgs = vma_pages(vma);

	int numgfns = (vma->vm_end - vma->vm_start) >> XEN_PAGE_SHIFT;

	int rc;