From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234]) by e5.ny.us.ibm.com (8.12.11/8.12.11) with ESMTP id j95HKGZ3014485 for ; Wed, 5 Oct 2005 13:20:16 -0400 Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay02.pok.ibm.com (8.12.10/NCO/VERS6.7) with ESMTP id j95HKGt2089682 for ; Wed, 5 Oct 2005 13:20:16 -0400 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.12.11/8.13.3) with ESMTP id j95HKGJ9021118 for ; Wed, 5 Oct 2005 13:20:16 -0400 Subject: Re: sparsemem & sparsemem extreme question From: Dave Hansen In-Reply-To: <20051005171230.GA10204@osiris.ibm.com> References: <20051004065030.GA21741@osiris.boeblingen.de.ibm.com> <1128442502.20208.6.camel@localhost> <20051005063909.GA9699@osiris.boeblingen.de.ibm.com> <1128527554.26009.2.camel@localhost> <20051005155823.GA10119@osiris.ibm.com> <1128528340.26009.8.camel@localhost> <20051005161009.GA10146@osiris.ibm.com> <1128529222.26009.16.camel@localhost> <20051005171230.GA10204@osiris.ibm.com> Content-Type: text/plain Date: Wed, 05 Oct 2005 10:20:09 -0700 Message-Id: <1128532809.26009.39.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Heiko Carstens Cc: linux-mm List-ID: On Wed, 2005-10-05 at 19:12 +0200, Heiko Carstens wrote: > > > That's a matter of fact and what the Specs say... > > I'd appreciate any pointer to the relevant information, especially the > > stuff that explains just how sparse a physical address space can be on > > that architecture. What would discontigmem have done with the same > > layout? Does s390 even support discontigmem? > > s390 does not support discontigmem at all. And unfortunately the > documentation is not publicly available yet, sorry. > Anything specific you need to know about the memory layout? How sparse is it? How few present pages can be there be in a worst-case physical area? -- Dave -- 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