From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268455AbUHaNE3 (ORCPT ); Tue, 31 Aug 2004 09:04:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268144AbUHaNE2 (ORCPT ); Tue, 31 Aug 2004 09:04:28 -0400 Received: from e6.ny.us.ibm.com ([32.97.182.106]:3491 "EHLO e6.ny.us.ibm.com") by vger.kernel.org with ESMTP id S268329AbUHaNCK (ORCPT ); Tue, 31 Aug 2004 09:02:10 -0400 Date: Tue, 31 Aug 2004 18:34:02 +0530 From: Srivatsa Vaddagiri To: davem@redhat.com Cc: netdev@oss.sgi.com, linux-kernel@vger.kernel.org, Dipankar , paulmck@us.ibm.com Subject: Re: [RFC] Use RCU for tcp_ehash lookup Message-ID: <20040831130402.GB5534@in.ibm.com> Reply-To: vatsa@in.ibm.com References: <20040831125941.GA5534@in.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040831125941.GA5534@in.ibm.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 31, 2004 at 06:29:41PM +0530, Srivatsa Vaddagiri wrote: > I found _significant_ reduction in profile count (~56% savings) > for __tcp_v4_lookup_established if it is made lock-free. I had made __tcp_v4_lookup_established to be a function call (rather than an inline function) to gather readprofile statistics for the same. -- Thanks and Regards, Srivatsa Vaddagiri, Linux Technology Center, IBM Software Labs, Bangalore, INDIA - 560017