From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757782Ab0J0GbF (ORCPT ); Wed, 27 Oct 2010 02:31:05 -0400 Received: from ksp.mff.cuni.cz ([195.113.26.206]:47074 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753243Ab0J0GbD (ORCPT ); Wed, 27 Oct 2010 02:31:03 -0400 Date: Tue, 26 Oct 2010 09:31:59 +0200 From: Pavel Machek To: "Ware, Ryan R" Cc: Mimi Zohar , Dave Chinner , Andrew Morton , Kyle McMartin , James Morris , Christoph Hellwig , "kernel@lists.fedoraproject.org" , Mimi Zohar , "warthog9@kernel.org" , "linux-kernel@vger.kernel.org" , "H. Peter Anvin" , Serge Hallyn , Linus Torvalds , "mingo@elte.hu" Subject: Re: ima: use of radix tree cache indexing == massive waste of memory? Message-ID: <20101026073159.GA7049@ucw.cz> References: <1287408660.2516.2.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! > >> > Good enough as a short-term thing I guess. > >> > > >> > But the memory consumption which David described is plain nuttiness > >>and > >> > needs to be fixed, presumably by using a more appropriate data > >>structure > >> > for lookups. > >> > > >> > However unless I missed it, nobody has yet stated that they intend to > >> > fix this? > >> > >> I think Eric said he is going to look at it. > >> > >> Cheers, > >> > >> Dave. > > > >Am looking at it as well. > > > >Mimi > > I'll help look into this aspect too. > > To be clear (since my first post seemed to go to the moderator), we will > be using this starting with MeeGo 1.2. Yes, this rather pigish memory > usage needs to be addressed. Let's focus on fixing that. I'd say there > are a number of options we can explore here to do that. Curious... I see how NSA might want to use it, but MeeGo? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html