From mboxrd@z Thu Jan 1 00:00:00 1970 From: FUJITA Tomonori Subject: Re: [PATCH 1/4] block: use ARCH_KMALLOC_MINALIGN as the default dma pad mask Date: Wed, 21 May 2008 01:09:41 +0900 Message-ID: <20080521010942W.tomof@acm.org> References: <20080520093819.GA9147@gondor.apana.org.au> <20080520222531H.tomof@acm.org> <20080520153424.GA11687@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from mo11.iij4u.or.jp ([210.138.174.79]:54441 "EHLO mo11.iij4u.or.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754039AbYETQLj (ORCPT ); Tue, 20 May 2008 12:11:39 -0400 In-Reply-To: <20080520153424.GA11687@gondor.apana.org.au> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: herbert@gondor.apana.org.au Cc: fujita.tomonori@lab.ntt.co.jp, akpm@linux-foundation.org, linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, jens.axboe@oracle.com, tsbogend@alpha.franken.de, bzolnier@gmail.com, James.Bottomley@HansenPartnership.com, jeff@garzik.org, davem@davemloft.net, linux-mm@kvack.org On Tue, 20 May 2008 23:34:24 +0800 Herbert Xu wrote: > On Tue, May 20, 2008 at 10:25:25PM +0900, FUJITA Tomonori wrote: > > > > Does someone do DMA from/to __ctx? > > Nobody. Then, you don't need to use ARCH_KMALLOC_MINALIGN. 8 bytes align works for you on all the architectures.