From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 28 Oct 2004 09:19:11 -0700 From: "Martin J. Bligh" Subject: Re: [RFC] sparsemem patches (was nonlinear) Message-ID: <1278150000.1098980350@[10.10.2.4]> In-Reply-To: <418118A1.9060004@us.ibm.com> References: <098973549.shadowen.org> <418118A1.9060004@us.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: owner-linux-mm@kvack.org Return-Path: To: Dave Hansen , Andy Whitcroft Cc: lhms-devel@lists.sourceforge.net, linux-mm@kvack.org List-ID: > Have you given any thought to using virt_to_page(page)->foo method to > store section information instead of using page->flags? It seems we're > already sucking up page->flags left and right, and I'd hate to consume > that many more. It doesn't add any more. It reuses the existing overload space. Only exception was if you wanted a billion piddly little segments on a 32bit. Tough, don't do that ;-) For 64 bit, it's a non-issue. M. -- 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: aart@kvack.org