From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751002AbWELGcg (ORCPT ); Fri, 12 May 2006 02:32:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751003AbWELGcg (ORCPT ); Fri, 12 May 2006 02:32:36 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:52392 "EHLO mx2.mail.elte.hu") by vger.kernel.org with ESMTP id S1751000AbWELGcg (ORCPT ); Fri, 12 May 2006 02:32:36 -0400 Date: Fri, 12 May 2006 08:32:20 +0200 From: Ingo Molnar To: Andrew Morton Cc: =?iso-8859-1?Q?S=E9bastien_Dugu=E9?= , linux-kernel@vger.kernel.org, tglx@linutronix.de Subject: Re: [RFC][PATCH RT 1/2] futex_requeue-optimize Message-ID: <20060512063220.GA630@elte.hu> References: <20060510112701.7ea3a749@frecb000686> <20060511091541.05160b2c.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060511091541.05160b2c.akpm@osdl.org> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: -2.3 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.3 required=5.9 tests=ALL_TRUSTED,AWL,SUBJ_HAS_UNIQ_ID autolearn=no SpamAssassin version=3.0.3 1.1 SUBJ_HAS_UNIQ_ID Subject contains a unique ID -2.8 ALL_TRUSTED Did not pass through any untrusted hosts -0.6 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Andrew Morton wrote: > Should the futex code be using hlist_heads for that hashtable? yeah. That would save 1K of .data on 32-bit platforms, 2K on 64-bit platforms. Ingo