linux-kernel - Re: [Linaro-mm-sig] [PATCH 12/15] drivers: add Contiguous Memory Allocator

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Message-ID: <CAK=WgbY+TgjWcaKcEV-c6cQPN9qbjcmNzjEsTXXCjKoOZhO7FQ@mail.gmail.com>
Date:	Fri, 27 Jan 2012 16:56:07 +0200
From:	Ohad Ben-Cohen <ohad@...ery.com>
To:	Marek Szyprowski <m.szyprowski@...sung.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>,
	Michal Nazarewicz <mina86@...a86.com>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	Jesse Barker <jesse.barker@...aro.org>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [Linaro-mm-sig] [PATCH 12/15] drivers: add Contiguous Memory Allocator

2012/1/27 Marek Szyprowski <m.szyprowski@...sung.com>:
> I've tested it with 256MiB on Exynos4 platform. Could you check if the
> problem also appears on 3.2-cma-v19 branch (I've uploaded it a few hours
> ago)

Exactly what I needed, thanks :)

Both v18 and v19 seem to work fine with 3.2.

> The above code has not been changed since v16, so I'm really surprised
> that it causes problems. Maybe the memory configuration or layout has
> been changed in 3.3-rc1 for OMAP4?

Not sure what the culprit is, but it is only triggered with 3.3-rc1.

I'll tell you if I find anything.

Thanks!
Ohad.
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