linux-kernel - Re: [RFC PATCH 2/3] DMA, CMA: use general CMA reserved area management framework

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Date:	Tue, 03 Jun 2014 09:00:48 +0200
From:	Michal Nazarewicz <mina86@...a86.com>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>
Cc:	Minchan Kim <minchan@...nel.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Gleb Natapov <gleb@...nel.org>, Alexander Graf <agraf@...e.de>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	kvm@...r.kernel.org, kvm-ppc@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [RFC PATCH 2/3] DMA, CMA: use general CMA reserved area management framework

On Tue, Jun 03 2014, Joonsoo Kim wrote:
> Now, we have general CMA reserved area management framework,
> so use it for future maintainabilty. There is no functional change.
>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>

Acked-by: Michal Nazarewicz <mina86@...a86.com>

> diff --git a/include/linux/dma-contiguous.h b/include/linux/dma-contiguous.h
> index dfb1dc9..ecb85ac 100644
> --- a/include/linux/dma-contiguous.h
> +++ b/include/linux/dma-contiguous.h
> @@ -53,9 +53,10 @@
>  
>  #ifdef __KERNEL__
>  
> +#include <linux/device.h>
> +

Why is this suddenly required?

>  struct cma;
>  struct page;
> -struct device;
>  
>  #ifdef CONFIG_DMA_CMA

-- 
Best regards,                                         _     _
.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  Michał “mina86” Nazarewicz    (o o)
ooo +--<mpn@...gle.com>--<xmpp:mina86@...ber.org>--ooO--(_)--Ooo--
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