Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262798AbVBBVe3 (ORCPT ); Wed, 2 Feb 2005 16:34:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262637AbVBBVe2 (ORCPT ); Wed, 2 Feb 2005 16:34:28 -0500 Received: from baythorne.infradead.org ([81.187.226.107]:6099 "EHLO baythorne.infradead.org") by vger.kernel.org with ESMTP id S262798AbVBBVeG (ORCPT ); Wed, 2 Feb 2005 16:34:06 -0500 Subject: Re: A scrub daemon (prezeroing) From: David Woodhouse To: "Maciej W. Rozycki" Cc: Marcelo Tosatti , Christoph Lameter , linux-mm@kvack.org, linux-kernel@vger.kernel.org, akpm@osdl.org In-Reply-To: References: <1106828124.19262.45.camel@hades.cambridge.redhat.com> <20050202153256.GA19615@logos.cnet> Content-Type: text/plain Date: Wed, 02 Feb 2005 21:33:45 +0000 Message-Id: <1107380025.18239.30.camel@baythorne.infradead.org> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 (2.0.2-3.dwmw2.1) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by baythorne.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 769 Lines: 19 On Wed, 2005-02-02 at 21:00 +0000, Maciej W. Rozycki wrote: > E.g. the Broadcom's MIPS64-based SOCs have four general purpose DMA > engines onchip which can transfer data to/from the memory controller in > 32-byte chunks over the 256-bit internal bus. We have hardly any use for > these devices and certainly not for all four of them. On machines like the Ocelot, I keep intending to abuse one of the DMA engines for access to the DiskOnChip. Really must dig the Ocelot out of the dusty pile of toys... :) -- dwmw2 - 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/