Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933025AbXA2Acb (ORCPT ); Sun, 28 Jan 2007 19:32:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933023AbXA2Acb (ORCPT ); Sun, 28 Jan 2007 19:32:31 -0500 Received: from waste.org ([66.93.16.53]:43428 "EHLO waste.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933022AbXA2Aca (ORCPT ); Sun, 28 Jan 2007 19:32:30 -0500 Date: Sun, 28 Jan 2007 18:19:21 -0600 From: Matt Mackall To: Eriberto Cc: linux-kernel@vger.kernel.org Subject: Re: swap: which is the maximum size allowed? Message-ID: <20070129001920.GC16722@waste.org> References: <7IoP9-5nQ-27@gated-at.bofh.it> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 829 Lines: 20 On Sun, Jan 28, 2007 at 09:01:34PM -0200, Eriberto wrote: > Ok. But, mkswap man is old (1999). However, from Linux Partition HOWTO: > > "footnote: "official" max swap size: With kernel 2.4, the limit is 64 > swap spaces at a maximum of 64Gb each, although this is not reflected in > the man page for mkswap. With the 64 bit opteron on the 2.6 kernel, 128 > swap areas are permitted, each a whopping 16 Tb! (thanks to Peter Chubb > for the calculation)" > > I want to know: why 64 GB??? It's how big the available pointers are. -- Mathematics is the supreme nostalgia of our time. - 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/