From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756738AbdKDNf2 (ORCPT ); Sat, 4 Nov 2017 09:35:28 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:59950 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756686AbdKDNf1 (ORCPT ); Sat, 4 Nov 2017 09:35:27 -0400 Date: Sat, 04 Nov 2017 22:35:20 +0900 (KST) Message-Id: <20171104.223520.1997546027566831994.davem@davemloft.net> To: khlebnikov@yandex-team.ru Cc: netdev@vger.kernel.org, stephen@networkplumber.org, brakmo@fb.com, linux-kernel@vger.kernel.org, eric.dumazet@gmail.com Subject: Re: [PATCH] tcp_nv: use do_div() instead of expensive div64_u64() From: David Miller In-Reply-To: <150963162556.169720.4979222608705024316.stgit@buzz> References: <150963162556.169720.4979222608705024316.stgit@buzz> X-Mailer: Mew version 6.7 on Emacs 25.3 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Sat, 04 Nov 2017 06:35:27 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Konstantin Khlebnikov Date: Thu, 02 Nov 2017 17:07:05 +0300 > Average RTT is 32-bit thus full 64-bit division is redundant. > > Signed-off-by: Konstantin Khlebnikov > Suggested-by: Stephen Hemminger > Suggested-by: Eric Dumazet Applied to net-next, thank you.