Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262435AbVCJItX (ORCPT ); Thu, 10 Mar 2005 03:49:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262443AbVCJItX (ORCPT ); Thu, 10 Mar 2005 03:49:23 -0500 Received: from rproxy.gmail.com ([64.233.170.196]:12383 "EHLO rproxy.gmail.com") by vger.kernel.org with ESMTP id S262435AbVCJItU (ORCPT ); Thu, 10 Mar 2005 03:49:20 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:references; b=mKBXDM9FUDfXmkeDpMkCv/cXnoYx3Ll6PXIYklNdL2IYtaDULbq6iJDxXIAgaAxSND85wQYliPYHwnqVRR53hPoI4OypCxG+sZP0NiNl4WbGzLT6Q/3ciM3uGqX8xFzRbYJ51jV0UDF8wgsZV7DgQq1+DEoAJP020CQ9QIvFUEM= Message-ID: Date: Thu, 10 Mar 2005 16:49:20 +0800 From: Jason Luo Reply-To: Jason Luo To: Chris Wedgwood Subject: Re: Can I get 200M contiguous physical memory? Cc: linux-kernel@vger.kernel.org In-Reply-To: <20050310081634.GA29516@taniwha.stupidest.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit References: <20050310081634.GA29516@taniwha.stupidest.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 765 Lines: 20 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? On Thu, 10 Mar 2005 00:16:34 -0800, Chris Wedgwood wrote: > On Thu, Mar 10, 2005 at 04:10:18PM +0800, Jason Luo wrote: > > > Now, I am writing a driver, which need 200M contiguous physical > > memory? can do? how to do it? > > Not easily no. Do you really need this? What kind of hardware is > this? > - 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/