Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262449AbVCJI5Y (ORCPT ); Thu, 10 Mar 2005 03:57:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262459AbVCJI5Y (ORCPT ); Thu, 10 Mar 2005 03:57:24 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:8597 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S262449AbVCJI5S (ORCPT ); Thu, 10 Mar 2005 03:57:18 -0500 Subject: Re: Can I get 200M contiguous physical memory? From: Arjan van de Ven To: Jason Luo Cc: Chris Wedgwood , linux-kernel@vger.kernel.org In-Reply-To: References: <20050310081634.GA29516@taniwha.stupidest.org> Content-Type: text/plain Date: Thu, 10 Mar 2005 09:57:10 +0100 Message-Id: <1110445030.6291.57.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 (2.0.2-3) Content-Transfer-Encoding: 7bit X-Spam-Score: 4.1 (++++) X-Spam-Report: SpamAssassin version 2.63 on pentafluge.infradead.org summary: Content analysis details: (4.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.3 RCVD_NUMERIC_HELO Received: contains a numeric HELO 1.1 RCVD_IN_DSBL RBL: Received via a relay in list.dsbl.org [] 2.5 RCVD_IN_DYNABLOCK RBL: Sent directly from dynamic IP address [80.57.133.107 listed in dnsbl.sorbs.net] 0.1 RCVD_IN_SORBS RBL: SORBS: sender is listed in SORBS [80.57.133.107 listed in dnsbl.sorbs.net] X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.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: 652 Lines: 18 On Thu, 2005-03-10 at 16:49 +0800, Jason Luo wrote: > thanks! > A data acquisition card. In DMA mode, the card need 200M contiguous > memory for DMA. > it's driver in windows can do it. so custom ask us to support it. > are there a way although it'is unpopular? not really unless your card can do scatter gather... (or want to reserve memory at the boot commandline and then do really really evil hacks) - 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/