From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752988Ab0JMHBu (ORCPT ); Wed, 13 Oct 2010 03:01:50 -0400 Received: from one.firstfloor.org ([213.235.205.2]:59989 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752509Ab0JMHBt (ORCPT ); Wed, 13 Oct 2010 03:01:49 -0400 From: Andi Kleen To: KAMEZAWA Hiroyuki Cc: "linux-mm\@kvack.org" , "linux-kernel\@vger.kernel.org" , "minchan.kim\@gmail.com" Subject: Re: [RFC][PATCH 1/3] contigous big page allocator References: <20101013121527.8ec6a769.kamezawa.hiroyu@jp.fujitsu.com> Date: Wed, 13 Oct 2010 09:01:43 +0200 In-Reply-To: <20101013121527.8ec6a769.kamezawa.hiroyu@jp.fujitsu.com> (KAMEZAWA Hiroyuki's message of "Wed, 13 Oct 2010 12:15:27 +0900") Message-ID: <87sk0a1sq0.fsf@basil.nowhere.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org KAMEZAWA Hiroyuki writes: > > What this wants to do: > allocates a contiguous chunk of pages larger than MAX_ORDER. > for device drivers (camera? etc..) I think to really move forward you need a concrete use case actually implemented in tree. > My intention is not for allocating HUGEPAGE(> MAX_ORDER). I still believe using this for 1GB pages would be one of the more interesting use cases. -Andi -- ak@linux.intel.com -- Speaking for myself only.