Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 9 Mar 2001 15:09:02 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 9 Mar 2001 15:08:53 -0500 Received: from pizda.ninka.net ([216.101.162.242]:12160 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id ; Fri, 9 Mar 2001 15:08:36 -0500 From: "David S. Miller" MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15017.14353.7980.55171@pizda.ninka.net> Date: Fri, 9 Mar 2001 12:07:45 -0800 (PST) To: David Brownell Cc: Manfred Spraul , Russell King , zaitcev@redhat.com, linux-usb-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: Re: SLAB vs. pci_alloc_xxx in usb-uhci patch [RFC: API] In-Reply-To: <060e01c0a8c6$ddbcc1e0$6800000a@brownell.org> In-Reply-To: <001f01c0a5c0$e942d8f0$5517fea9@local> <00d401c0a5c6$f289d200$6800000a@brownell.org> <20010305232053.A16634@flint.arm.linux.org.uk> <15012.27969.175306.527274@pizda.ninka.net> <055e01c0a8b4$8d91dbe0$6800000a@brownell.org> <3AA91B2C.BEB85D8C@colorfullife.com> <060e01c0a8c6$ddbcc1e0$6800000a@brownell.org> X-Mailer: VM 6.75 under 21.1 (patch 13) "Crater Lake" XEmacs Lucid Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org David Brownell writes: > > Do lots of drivers need the reverse mapping? It wasn't on my todo list > > yet. > > Some hardware (like OHCI) talks to drivers using those dma handles. Drivers for such hardware will this keep track of the information necessary to make this reverse mapping. Later, David S. Miller davem@redhat.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/