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Date: Sat, 21 May 2016 18:39:21 +0530 From: Muhammad Falak R Wani <falakreyaz@...il.com> To: Boris Ostrovsky <boris.ostrovsky@...cle.com> Cc: David Vrabel <david.vrabel@...rix.com>, Juergen Gross <jgross@...e.com>, xen-devel@...ts.xenproject.org (moderated list:XEN HYPERVISOR INTERFACE), linux-kernel@...r.kernel.org (open list) Subject: [PATCH] xen/gntalloc: use vma_pages(). Replace explicit computation of vma page count by a call to vma_pages() Signed-off-by: Muhammad Falak R Wani <falakreyaz@...il.com> --- drivers/xen/gntalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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)) { -- 1.9.1
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