Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759142AbZFPVsR (ORCPT ); Tue, 16 Jun 2009 17:48:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751368AbZFPVsG (ORCPT ); Tue, 16 Jun 2009 17:48:06 -0400 Received: from gate.crashing.org ([63.228.1.57]:60571 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751321AbZFPVsG (ORCPT ); Tue, 16 Jun 2009 17:48:06 -0400 Message-Id: <65AA39D9-57A3-465E-847A-B1058783F370@kernel.crashing.org> From: Kumar Gala To: "linux-kernel@vger.kernel.org List" Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v935.3) Subject: Ability to force the physical location of a kmalloc for testing purposes Date: Tue, 16 Jun 2009 16:48:05 -0500 X-Mailer: Apple Mail (2.935.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 579 Lines: 12 We are trying to test some IO DMA code and want to make sure the physical address is in a given range for testing. For example on PPC32 w/have 36-bit physical and some of IO devices are capable of DMAing to the full 36-bit address. However we want to test things like making sure a physical address >4G works properly. - k -- 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/