From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756682AbYKQE5d (ORCPT ); Sun, 16 Nov 2008 23:57:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756061AbYKQE5Z (ORCPT ); Sun, 16 Nov 2008 23:57:25 -0500 Received: from E23SMTP02.au.ibm.com ([202.81.18.163]:37666 "EHLO e23smtp02.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756008AbYKQE5Y (ORCPT ); Sun, 16 Nov 2008 23:57:24 -0500 Message-ID: <4920F8C4.30209@linux.vnet.ibm.com> Date: Mon, 17 Nov 2008 10:23:24 +0530 From: Balbir Singh Reply-To: balbir@linux.vnet.ibm.com Organization: IBM User-Agent: Thunderbird 2.0.0.17 (X11/20080925) MIME-Version: 1.0 To: Lai Jiangshan CC: Arjan van de Ven , Dave Airlie , David Miller , akpm@linux-foundation.org, menage@google.com, kamezawa.hiroyu@jp.fujitsu.com, jens.axboe@oracle.com, jack@suse.cz, jes@sgi.com, linux-kernel@vger.kernel.org, KOSAKI Motohiro , dada1@cosmosbay.com, Alexey Dobriyan Subject: Re: [PATCH 1/7] mm: introduce simple_malloc()/simple_free() References: <491FA28B.2070003@cn.fujitsu.com> <20081115205229.765f7ee3@infradead.org> <20081116.001926.150424480.davem@davemloft.net> <20081116105725.12458b13@infradead.org> <21d7e9970811161339x174d6041x1622d478f8e4247e@mail.gmail.com> <20081116135130.5e8b4e13@infradead.org> <4920D238.8090905@cn.fujitsu.com> In-Reply-To: <4920D238.8090905@cn.fujitsu.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Lai Jiangshan wrote: > Arjan van de Ven wrote: >> On Mon, 17 Nov 2008 07:39:55 +1000 >> >> I would go further than this. >> >> Make the code just use vmalloc(). Period. >> >> But then make vmalloc() smart and try do a direct mapping allocation >> first, before falling back to a virtual mapping. (and based on size it >> wouldn't even try it for just big things) >> >> >> > > Hi, Arjan van de Ven > > (I'll rename simple_malloc/simple_free to kvmalloc/kvfree) > I would prefer to find a way to say that one cannot select gfp_mask with this API. -- Balbir