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| author | Muhammad Falak R Wani <falakreyaz@gmail.com> | 2016-05-24 05:34:32 +0530 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2016-07-06 10:34:47 +0100 |
| commit | c7ebf9d9c6b4e9402b978da0b0785db4129c1f79 (patch) | |
| tree | 600f397525a94ed5c4a712ae01d086a497bbef82 | |
| parent | 0cac5c3018b32707b3bab40e4beb83f91c4204f1 (diff) | |
| download | op-kernel-dev-c7ebf9d9c6b4e9402b978da0b0785db4129c1f79.zip op-kernel-dev-c7ebf9d9c6b4e9402b978da0b0785db4129c1f79.tar.gz | |
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>
| -rw-r--r-- | drivers/xen/gntalloc.c | 2 | ||||
| -rw-r--r-- | drivers/xen/gntdev.c | 2 | ||||
| -rw-r--r-- | drivers/xen/privcmd.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c index 4547a91..7a47c4c 100644 --- a/drivers/xen/gntalloc.c +++ b/drivers/xen/gntalloc.c @@ -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)) { diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 6793957..bb95212 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; diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index df2e6f7..702040f 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -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; |
