Re: [PATCH] iommu: fix end address of vm area comparation inalloc_iovm_area

[Hiroshi DOYU]

From: "ext Guzman Lugo, Fernando" <fernando.lugo@xxxxxx>
Subject: RE: [PATCH] iommu: fix end address of vm area comparation in alloc_iovm_area
Date: Tue, 17 Aug 2010 06:48:14 +0200

> From: linux-omap-owner@xxxxxxxxxxxxxxx [linux-omap-owner@xxxxxxxxxxxxxxx] On Behalf Of Guzman Lugo, Fernando [fernando.lugo@xxxxxx]
> Sent: Monday, August 16, 2010 10:51 PM
> To: linux-omap@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Cc: Hiroshi.DOYO@xxxxxxxxx; Kanigeri, Hari
> Subject: [PATCH] iommu: fix end address of vm area comparation in alloc_iovm_area
> 
> From cc48c0adaee97c8385a356aefa5b64a51818b4fd Mon Sep 17 00:00:00 2001
> From: Fernando Guzman Lugo <x0095840@xxxxxx>
> Date: Mon, 16 Aug 2010 22:28:24 -0500
> Subject: [PATCH] iommu: fix end address of vm area comparation in alloc_iovm_area
> 
> End address of the vm area is “start + bytes -1”,
> not “start + byte”. This patch fixes that issue by doing
> an inclusive comparison with tmp->da_start. This issue
> was preventing allocate an area of size exactly the same
> than the free area. I did no change the value of da_end
> of each vm area because it is used to get area size in
> several places.

Ok for me. Is this patch against the latest?
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