From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 1 Dec 2008 17:51:13 +0000 From: John Levon Subject: Re: [patch][rfc] fs: shrink struct dentry Message-ID: <20081201175113.GA16828@totally.trollied.org.uk> References: <20081201083343.GC2529@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081201083343.GC2529@wotan.suse.de> Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: linux-fsdevel@vger.kernel.org, Linux Memory Management List , robert.richter@amd.com, oprofile-list@lists.sf.net List-ID: On Mon, Dec 01, 2008 at 09:33:43AM +0100, Nick Piggin wrote: > I then got rid of the d_cookie pointer. This shrinks it to 192 bytes. Rant: > why was this ever a good idea? The cookie system should increase its hash > size or use a tree or something if lookups are a problem. Are you saying you've made this change without even testing its performance impact? john -- 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