Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031434AbXEDVmF (ORCPT ); Fri, 4 May 2007 17:42:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1031711AbXEDVmF (ORCPT ); Fri, 4 May 2007 17:42:05 -0400 Received: from netops-testserver-4-out.sgi.com ([192.48.171.29]:59043 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1031434AbXEDVmE (ORCPT ); Fri, 4 May 2007 17:42:04 -0400 Date: Fri, 4 May 2007 14:42:02 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Andrew Morton cc: linux-kernel@vger.kernel.org Subject: Re: Remove constructor from buffer_head In-Reply-To: <20070504134212.c18d2d65.akpm@linux-foundation.org> Message-ID: References: <20070504134212.c18d2d65.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 468 Lines: 13 On Fri, 4 May 2007, Andrew Morton wrote: > So the patch took the average system time from 4.42 seconds up to 4.582 > seconds. Nice slowdown! All of that from a memset and a list head init on a cacheline we already use? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/