From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 13 Sep 2006 14:54:32 -0700 (PDT) From: Christoph Lameter Subject: Re: [PATCH] Get rid of zone_table In-Reply-To: <1158184047.9141.164.camel@localhost.localdomain> Message-ID: References: <1158180795.9141.158.camel@localhost.localdomain> <1158184047.9141.164.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Dave Hansen Cc: Andy Whitcroft , linux-mm@kvack.org List-ID: On Wed, 13 Sep 2006, Dave Hansen wrote: > Now that I think about it, we should have room to encode that thing > inside of the section number on 32-bit platforms. We already have 1k nodes on IA64 and you can expect 16k in the near future. I think you need at least 16 bit. Sorry I am a bit new to sparsemem but it seems that the mem sections are arrays of pointers. You would like to store the node number in the lower unused bits? -- 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