From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with ESMTP id D9ADC6B0170 for ; Thu, 14 Oct 2010 11:10:11 -0400 (EDT) Date: Fri, 15 Oct 2010 00:09:47 +0900 Subject: Re: [RFC][PATCH 1/3] contigous big page allocator From: FUJITA Tomonori In-Reply-To: <20101014125519.GB13414@basil.fritz.box> References: <20101014072421.GA13414@basil.fritz.box> <20101014173103U.fujita.tomonori@lab.ntt.co.jp> <20101014125519.GB13414@basil.fritz.box> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <20101015000416N.fujita.tomonori@lab.ntt.co.jp> Sender: owner-linux-mm@kvack.org To: andi@firstfloor.org Cc: fujita.tomonori@lab.ntt.co.jp, kamezawa.hiroyu@jp.fujitsu.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, minchan.kim@gmail.com List-ID: On Thu, 14 Oct 2010 14:55:19 +0200 Andi Kleen wrote: > > I think that at least one mainline driver in arm uses such trick but I > > can't recall the name. Better to ask on the arm mainling list. Also I > > heard that the are some out-of-tree patches about this. > > I'm sure there are out of tree patches for lots of things, > but at least in terms of merging mainline functionality > use cases merged in the mainline tree are required. I think that we already have drivers that need such feature in mainline. They keep out-of-tree patches that give continuous memory to these drivers reliably. Anyway, Felipe pointed out one user. I also think that drivers/media/video/videobuf-dma-contig.c also was already mentioned, needs such feature. -- 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