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Date: Wed, 6 Jul 2011 10:37:37 -0400 (EDT) From: Nicolas Pitre <nicolas.pitre@...aro.org> To: Russell King - ARM Linux <linux@....linux.org.uk> cc: Arnd Bergmann <arnd@...db.de>, 'Daniel Walker' <dwalker@...eaurora.org>, 'Jonathan Corbet' <corbet@....net>, 'Mel Gorman' <mel@....ul.ie>, 'Chunsang Jeong' <chunsang.jeong@...aro.org>, 'Jesse Barker' <jesse.barker@...aro.org>, 'KAMEZAWA Hiroyuki' <kamezawa.hiroyu@...fujitsu.com>, linux-kernel@...r.kernel.org, 'Michal Nazarewicz' <mina86@...a86.com>, linaro-mm-sig@...ts.linaro.org, linux-mm@...ck.org, 'Kyungmin Park' <kyungmin.park@...sung.com>, 'Ankita Garg' <ankita@...ibm.com>, 'Andrew Morton' <akpm@...ux-foundation.org>, linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org Subject: Re: [Linaro-mm-sig] [PATCH 6/8] drivers: add Contiguous Memory Allocator On Wed, 6 Jul 2011, Russell King - ARM Linux wrote: > Another issue is that when a platform has restricted DMA regions, > they typically don't fall into the highmem zone. As the dmabounce > code allocates from the DMA coherent allocator to provide it with > guaranteed DMA-able memory, that would be rather inconvenient. Do we encounter this in practice i.e. do those platforms requiring large contiguous allocations motivating this work have such DMA restrictions? Nicolas -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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