From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Sun, 26 Aug 2007 16:36:35 +0100 (BST) Received: from localhost.localdomain ([127.0.0.1]:57493 "EHLO dl5rb.ham-radio-op.net") by ftp.linux-mips.org with ESMTP id S20026382AbXHZPgd (ORCPT ); Sun, 26 Aug 2007 16:36:33 +0100 Received: from denk.linux-mips.net (denk.linux-mips.net [127.0.0.1]) by dl5rb.ham-radio-op.net (8.14.1/8.13.8) with ESMTP id l7QFaUWa002144; Sun, 26 Aug 2007 16:36:30 +0100 Received: (from ralf@localhost) by denk.linux-mips.net (8.14.1/8.14.1/Submit) id l7QFaSQ0002143; Sun, 26 Aug 2007 16:36:28 +0100 Date: Sun, 26 Aug 2007 16:36:28 +0100 From: Ralf Baechle To: Sergei Shtylyov Cc: linux-mips@linux-mips.org Subject: Re: Alchemy DMA and GFP_DMA Message-ID: <20070826153628.GC29997@linux-mips.org> References: <20070816110501.GA5701@linux-mips.org> <46D192C9.7070208@ru.mvista.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46D192C9.7070208@ru.mvista.com> User-Agent: Mutt/1.5.14 (2007-02-12) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 16290 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Sun, Aug 26, 2007 at 06:48:41PM +0400, Sergei Shtylyov wrote: > Those are probably still necessary because the DBDMA descriptors > itselves (not the data they address) must have 32-bit addresses. A normla GFP_KERNEL allocation will give you that. Ralf