From mboxrd@z Thu Jan 1 00:00:00 1970 From: Srivatsa Vaddagiri Subject: Re: [RFC] Use RCU for tcp_ehash lookup Date: Tue, 31 Aug 2004 18:34:02 +0530 Sender: netdev-bounce@oss.sgi.com Message-ID: <20040831130402.GB5534@in.ibm.com> References: <20040831125941.GA5534@in.ibm.com> Reply-To: vatsa@in.ibm.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@oss.sgi.com, linux-kernel@vger.kernel.org, Dipankar , paulmck@us.ibm.com Return-path: To: davem@redhat.com Content-Disposition: inline In-Reply-To: <20040831125941.GA5534@in.ibm.com> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.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