linux-kernel - RE: [Linaro-mm-sig] [PATCH 8/9] ARM: integrate CMA with DMA-mapping subsystem

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Date:	Fri, 14 Oct 2011 11:14:25 +0200
From:	Marek Szyprowski <m.szyprowski@...sung.com>
To:	'Subash Patel' <subashrp@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-media@...r.kernel.org, linux-mm@...ck.org,
	linaro-mm-sig@...ts.linaro.org,
	'Daniel Walker' <dwalker@...eaurora.org>,
	'Russell King' <linux@....linux.org.uk>,
	'Arnd Bergmann' <arnd@...db.de>,
	'Jonathan Corbet' <corbet@....net>,
	'Mel Gorman' <mel@....ul.ie>,
	'Chunsang Jeong' <chunsang.jeong@...aro.org>,
	'Michal Nazarewicz' <mina86@...a86.com>,
	'Dave Hansen' <dave@...ux.vnet.ibm.com>,
	'Jesse Barker' <jesse.barker@...aro.org>,
	'Kyungmin Park' <kyungmin.park@...sung.com>,
	'Ankita Garg' <ankita@...ibm.com>,
	'Andrew Morton' <akpm@...ux-foundation.org>,
	'KAMEZAWA Hiroyuki' <kamezawa.hiroyu@...fujitsu.com>
Subject: RE: [Linaro-mm-sig] [PATCH 8/9] ARM: integrate CMA with DMA-mapping
 subsystem

Hello,

On Friday, October 14, 2011 6:33 AM Subash Patel wrote:

> Hi Marek,
> 
> As informed to you in private over IRC, below piece of code broke during
> booting EXYNOS4:SMDKV310 with ZONE_DMA enabled.

Right, I missed the fact that ZONE_DMA can be enabled but the machine does not
provide specific zone size. I will fix this in the next version. Thanks for 
pointing this bug!

Best regards
-- 
Marek Szyprowski
Samsung Poland R&D Center


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