From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id 2E8746B003D for ; Thu, 7 May 2009 08:45:21 -0400 (EDT) Date: Thu, 7 May 2009 14:01:30 +0200 From: Pavel Machek Subject: Re: [PATCH] x86: 46 bit PAE support Message-ID: <20090507120103.GA1497@ucw.cz> References: <20090505172856.6820db22@cuia.bos.redhat.com> <4A00ED83.1030700@zytor.com> <4A0180AB.20108@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4A0180AB.20108@redhat.com> Sender: owner-linux-mm@kvack.org To: Rik van Riel Cc: "H. Peter Anvin" , "linux-kernel@vger.kernel.org" , linux-mm@kvack.org, mingo@redhat.com, akpm@linux-foundation.org List-ID: On Wed 2009-05-06 08:20:59, Rik van Riel wrote: > H. Peter Anvin wrote: >> Rik van Riel wrote: >>> Testing: booted it on an x86-64 system with 6GB RAM. Did you really think >>> I had access to a system with 64TB of RAM? :) >> >> No, but it would be good if we could test it under Qemu or KVM with an >> appropriately set up sparse memory map. > > I don't have a system with 1TB either, which is how much space > the memmap[] would take... Do we really have 1 byte overhead per 64 bytes of RAM? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org