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

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Message-ID: <CAK=WgbZWHBKNQwcoY9OiXXH-r1n3XxB=ZODZJN-3vZopU2yhJA@mail.gmail.com>
Date:	Fri, 27 Jan 2012 16:59:11 +0200
From:	Ohad Ben-Cohen <ohad@...ery.com>
To:	Marek Szyprowski <m.szyprowski@...sung.com>
Cc:	"Clark, Rob" <rob@...com>, 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>,
	Jesse Barker <jesse.barker@...aro.org>,
	linux-kernel@...r.kernel.org,
	Michal Nazarewicz <mina86@...a86.com>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	linaro-mm-sig@...ts.linaro.org, linux-mm@...ck.org,
	Kyungmin Park <kyungmin.park@...sung.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org
Subject: Re: [Linaro-mm-sig] [PATCH 12/15] drivers: add Contiguous Memory Allocator

2012/1/27 Marek Szyprowski <m.szyprowski@...sung.com>:
> Ohad, could you tell a bit more about your issue?

Sure, feel free to ask.

> Does this 'large region'
> is a device private region (declared with dma_declare_contiguous())

Yes, it is.

See omap_rproc_reserve_cma() in:

http://git.kernel.org/?p=linux/kernel/git/ohad/remoteproc.git;a=commitdiff;h=dab6a2584550a629746fa1dea2be8ffbe1910277

Thanks,
Ohad.
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