From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 9 Jul 2007 09:29:38 +1000 From: David Chinner Subject: Re: vm/fs meetup details Message-ID: <20070708232938.GG12413810@sgi.com> References: <20070705040138.GG32240@wotan.suse.de> <468D303E.4040902@redhat.com> <20070706020042.GD14215@wotan.suse.de> <20070707104534.GA5686@lazybastard.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20070707104534.GA5686@lazybastard.org> Sender: owner-linux-mm@kvack.org Return-Path: To: =?iso-8859-1?B?SsO2cm4=?= Engel Cc: Christoph Lameter , Nick Piggin , Rik van Riel , Anton Altaparmakov , Suparna Bhattacharya , Christoph Hellwig , Zach Brown , Hugh Dickins , Jared Hulbert , Chris Mason , David Chinner , "Martin J. Bligh" , Trond Myklebust , Neil Brown , Miklos Szeredi , Mingming Cao , Linux Memory Management List , linux-fsdevel@vger.kernel.org List-ID: On Sat, Jul 07, 2007 at 12:45:35PM +0200, JA?rn Engel wrote: > On Fri, 6 July 2007 13:40:03 -0700, Christoph Lameter wrote: > > > > An interesting topic is certainly > > > > 1. Large buffer support > > > > 2. icache/dentry/buffer_head defragmentation. > > Oh certainly! I should dust off my dcache_static patch. Some dentries > are hands-off for the shrinker, basically mountpoints and tmpfs. The > patch moves those to a seperate slab cache. I doubt there's enough of those to make any difference - putting all the directories into another slab did little to reduce fragmentation (~18 months ago we tried that), so I don't think that this would help at all... Cheers, Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group -- 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