From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from AM1EHSOBE005.bigfish.com (am1ehsobe005.messaging.microsoft.com [213.199.154.208]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Cybertrust SureServer Standard Validation CA" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 865C6B71DA for ; Fri, 19 Nov 2010 08:04:11 +1100 (EST) Received: from mail72-am1 (localhost.localdomain [127.0.0.1]) by mail72-am1-R.bigfish.com (Postfix) with ESMTP id 88EFC190031B for ; Thu, 18 Nov 2010 20:48:55 +0000 (UTC) Received: from AM1EHSMHS001.bigfish.com (unknown [10.3.201.253]) by mail72-am1.bigfish.com (Postfix) with ESMTP id 46B78E7804C for ; Thu, 18 Nov 2010 20:48:55 +0000 (UTC) Received: from de01smr01.freescale.net (de01smr01.freescale.net [10.208.0.31]) by de01egw02.freescale.net (8.14.3/8.14.3) with ESMTP id oAIKmhE5013545 for ; Thu, 18 Nov 2010 13:48:43 -0700 (MST) Received: from az33exm25.fsl.freescale.net (az33exm25.am.freescale.net [10.64.32.16]) by de01smr01.freescale.net (8.13.1/8.13.0) with ESMTP id oAIL55MD017347 for ; Thu, 18 Nov 2010 15:05:05 -0600 (CST) Date: Thu, 18 Nov 2010 14:48:41 -0600 From: Scott Wood To: Subject: Re: application needs fast access to physical memory Message-ID: <20101118144841.0910d73a@udp111988uds.am.freescale.net> In-Reply-To: References: <20101118133549.1c6d2cc3@udp111988uds.am.freescale.net> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Cc: linuxppc-dev@lists.ozlabs.org, David Gibson List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 18 Nov 2010 14:46:16 -0600 wrote: > Hello Scott, > > Do you know whether this patch is necessary if I were to use alloc_bootmem > () (to set aside a region of contiguous physical memory) instead of the > kernel parameter "mem=256"? It should not be needed in that case. -Scott