From: Muhammad Falak R Wani <falakreyaz@gmail.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: David Vrabel <david.vrabel@citrix.com>,
Juergen Gross <jgross@suse.com>,
xen-devel@lists.xenproject.org (moderated list:XEN HYPERVISOR
INTERFACE), linux-kernel@vger.kernel.org (open list)
Subject: [PATCH] xen/privcmd: use vma_pages().
Date: Sat, 21 May 2016 18:39:19 +0530 [thread overview]
Message-ID: <1463836161-16524-1-git-send-email-falakreyaz@gmail.com> (raw)
Replace explicit computation of vma page count by a call to
vma_pages()
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
---
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
next reply other threads:[~2016-05-21 13:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-21 13:09 Muhammad Falak R Wani [this message]
2016-05-21 13:09 ` [PATCH] xen/gntdev: " Muhammad Falak R Wani
2016-05-21 13:09 ` [PATCH] xen/gntalloc: " Muhammad Falak R Wani
2016-05-23 20:26 ` [PATCH] xen/privcmd: " Boris Ostrovsky
2016-05-24 0:07 ` Muhammad Falak R Wani
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