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Re: [Xen-devel] [PATCH 1/2] xen/gntdev: Fix off-by-one error when unmapping with holes

To: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Date: Tue, 9 Jan 2018 20:16:54 -0500
Cc: Juergen Gross <jgross@xxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx
Delivery-date: Wed, 10 Jan 2018 02:59:09 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>



On 01/09/2018 07:10 AM, Ross Lagerwall wrote:

If the requested range has a hole, the calculation of the number of
pages to unmap is off by one. Fix it.

Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

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References:
- [Xen-devel] [PATCH 1/2] xen/gntdev: Fix off-by-one error when unmapping with holes
  - From: Ross Lagerwall

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