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Date: Tue, 20 May 2014 14:57:47 +0900
From: Gioh Kim <gioh.kim@lge.com>
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Subject: [RFC PATCH] arm: dma-mapping: fallback allocation for cma failure
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To: =?EUC-KR?B?J7Howdi89ic=?= <iamjoonsoo.kim@lge.com>, Marek Szyprowski <m.szyprowski@samsung.com>, Michal Nazarewicz <mina86@mina86.com>, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Heesub Shin <heesub.shin@samsung.com>, Mel Gorman <mgorman@suse.de>, Johannes Weiner <hannes@cmpxchg.org>
Cc: =?EUC-KR?B?wMywx8ij?= <gunho.lee@lge.com>


Thanks for your advise, Michal Nazarewicz.

Having discuss with Joonsoo, I'm adding fallback allocation after __alloc_from_contiguous().
The fallback allocation works if CMA kernel options is turned on but CMA size is zero.

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