Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751619AbWIRIf4 (ORCPT ); Mon, 18 Sep 2006 04:35:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965575AbWIRIf4 (ORCPT ); Mon, 18 Sep 2006 04:35:56 -0400 Received: from emailer.gwdg.de ([134.76.10.24]:13220 "EHLO emailer.gwdg.de") by vger.kernel.org with ESMTP id S1751619AbWIRIfz (ORCPT ); Mon, 18 Sep 2006 04:35:55 -0400 Date: Mon, 18 Sep 2006 10:35:05 +0200 (MEST) From: Jan Engelhardt To: Rik van Riel cc: yogeshwar sonawane , linux-kernel Subject: Re: How much kernel memory is in 64-bit OS ? In-Reply-To: <450DE3DE.50301@redhat.com> Message-ID: References: <450DE3DE.50301@redhat.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Spam-Report: Content analysis: 0.0 points, 6.0 required _SUMMARY_ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 704 Lines: 22 > > 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 :) Jan Engelhardt -- - 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/