Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965121AbWIRMaO (ORCPT ); Mon, 18 Sep 2006 08:30:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965123AbWIRMaN (ORCPT ); Mon, 18 Sep 2006 08:30:13 -0400 Received: from mx1.redhat.com ([66.187.233.31]:998 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S965121AbWIRMaL (ORCPT ); Mon, 18 Sep 2006 08:30:11 -0400 Message-ID: <450E914C.90203@redhat.com> Date: Mon, 18 Sep 2006 08:30:04 -0400 From: Rik van Riel Organization: Red Hat, Inc User-Agent: Thunderbird 1.5.0.4 (X11/20060614) MIME-Version: 1.0 To: Jan Engelhardt CC: yogeshwar sonawane , linux-kernel Subject: Re: How much kernel memory is in 64-bit OS ? References: <450DE3DE.50301@redhat.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 816 Lines: 23 Jan Engelhardt wrote: >> It depends on the architecture. >> >> However, all 64 bit architectures have one thing in common. >> There is so much address space available for both kernel and >> userspace that we won't have to worry about a shortage for a >> very long time. >> >> Sure, people said that too when going from 16 bits to 32 bits, >> but that was only a factor 2^16 difference. This time it's the >> square of the previous difference. > > Not quite the square :) 2^32 is the square of 2^16 :) -- What is important? What you want to be true, or what is true? - 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/