linux-kernel - Re: [PATCH] iommu: exynos: tell kmemleak to ignore 2nd level page tables

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Message-ID: <20150511165008.GB10216@8bytes.org>
Date:	Mon, 11 May 2015 18:50:09 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	Dmitry Torokhov <dtor@...omium.org>
Cc:	Kukjin Kim <kgene@...nel.org>,
	Shaik Ameer Basha <shaik.ameer@...sung.com>,
	Cho KyongHo <pullip.cho@...sung.com>,
	Colin Cross <ccross@...roid.com>,
	Doug Anderson <dianders@...omium.org>,
	iommu@...ts.linux-foundation.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iommu: exynos: tell kmemleak to ignore 2nd level page
 tables

On Fri, May 08, 2015 at 05:05:44PM -0700, Dmitry Torokhov wrote:
> From: Colin Cross <ccross@...roid.com>
> 
> The pointers to the 2nd level page tables are converted to 1st level
> page table entries, which means kmemleak can't find them and assumes
> they have been leaked.  Call kmemleak_ignore on the 2nd level page
> tables to prevent them from showing up in kmemleak reports.
> 
> Signed-off-by: Colin Cross <ccross@...roid.com>
> Signed-off-by: Dmitry Torokhov <dtor@...omium.org>
> ---
>  drivers/iommu/exynos-iommu.c | 1 +
>  1 file changed, 1 insertion(+)

Applied to arm/exynos, thanks.

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