From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: [RFC] Initial alpha-0 for new page allocator API Date: Fri, 22 Sep 2006 08:17:59 +0200 References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200609220817.59801.ak@suse.de> Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Martin Bligh , akpm@google.com, linux-kernel@vger.kernel.org, Christoph Hellwig , James Bottomley , linux-mm@kvack.org List-ID: On Friday 22 September 2006 06:02, Christoph Lameter wrote: > We have repeatedly discussed the problems of devices having varying > address range requirements for doing DMA. We already have such an API. dma_alloc_coherent(). Device drivers are not supposed to mess with GFP_DMA* directly anymore for quite some time. > We would like for the device > drivers to have the ability to specify exactly which address range is > allowed. I actually have my doubts it is a good idea to add that now. The devices with weird requirements are steadily going away. -Andi -- 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/ . Don't email: email@kvack.org