[Xen-devel] [PATCH] xen/privcmd: use vma_pages().

[Muhammad Falak R Wani <falakreyaz@xxxxxxxxx>]

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

Signed-off-by: Muhammad Falak R Wani <falakreyaz@xxxxxxxxx>
---
 drivers/xen/privcmd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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;
 
-- 
1.9.1


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