From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755782AbYDOIBj (ORCPT ); Tue, 15 Apr 2008 04:01:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754076AbYDOIBb (ORCPT ); Tue, 15 Apr 2008 04:01:31 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:33157 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753990AbYDOIBa (ORCPT ); Tue, 15 Apr 2008 04:01:30 -0400 Date: Tue, 15 Apr 2008 01:01:31 -0700 (PDT) Message-Id: <20080415.010131.156668601.davem@davemloft.net> To: andi@firstfloor.org Cc: vgusev@openvz.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org Subject: Re: [RFC][PATCH][NET] Fix never pruned tcp out-of-order queue From: David Miller In-Reply-To: <87mynvtuoj.fsf@basil.nowhere.org> References: <200804142121.53860.vgusev@openvz.org> <87mynvtuoj.fsf@basil.nowhere.org> X-Mailer: Mew version 5.2 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen Date: Tue, 15 Apr 2008 09:59:40 +0200 > Vitaliy Gusev writes: > > > Hello! > > > > tcp_prune_queue() doesn't prune an out-of-order queue at all. > > Why are you saying this? It has code to prune the ooo queue. You're even > moving it in your patch. > > You're saying that the code doesn't work? If yes why? There are inappropriate guards there, and it didn't get invoked from another important code path. That's what his change is fixing.