From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx129.postini.com [74.125.245.129]) by kanga.kvack.org (Postfix) with SMTP id 139E56B00ED for ; Sun, 27 May 2012 08:35:45 -0400 (EDT) Received: by ggm4 with SMTP id 4so2058025ggm.14 for ; Sun, 27 May 2012 05:35:44 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20120524122854.GD11860@linux-sh.org> References: <1337252085-22039-1-git-send-email-m.szyprowski@samsung.com> <1337252085-22039-4-git-send-email-m.szyprowski@samsung.com> <4FBB3B41.8010102@kernel.org> <01e501cd39a8$67f34ea0$37d9ebe0$%szyprowski@samsung.com> <20120524122854.GD11860@linux-sh.org> From: KOSAKI Motohiro Date: Sun, 27 May 2012 08:35:23 -0400 Message-ID: Subject: Re: [PATCHv2 3/4] mm: vmalloc: add VM_DMA flag to indicate areas used by dma-mapping framework Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Paul Mundt Cc: Marek Szyprowski , Minchan Kim , linux-arm-kernel@lists.infradead.org, linaro-mm-sig@lists.linaro.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Kyungmin Park , Arnd Bergmann , Russell King - ARM Linux , Chunsang Jeong , Krishna Reddy , Konrad Rzeszutek Wilk , Hiroshi Doyu , Subash Patel , Nick Piggin On Thu, May 24, 2012 at 8:28 AM, Paul Mundt wrote: > On Thu, May 24, 2012 at 02:26:12PM +0200, Marek Szyprowski wrote: >> On Tuesday, May 22, 2012 9:08 AM Minchan Kim wrote: >> > Hmm, VM_DMA would become generic flag? >> > AFAIU, maybe VM_DMA would be used only on ARM arch. >> >> Right now yes, it will be used only on ARM architecture, but maybe other architecture will >> start using it once it is available. >> > There's very little about the code in question that is ARM-specific to > begin with. I plan to adopt similar changes on SH once the work has > settled one way or the other, so we'll probably use the VMA flag there, > too. I don't think VM_DMA is good idea because x86_64 has two dma zones. x86 unaware patches make no sense. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org