From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751394AbaEOEVA (ORCPT ); Thu, 15 May 2014 00:21:00 -0400 Received: from mail-ee0-f52.google.com ([74.125.83.52]:57855 "EHLO mail-ee0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750724AbaEOEU7 (ORCPT ); Thu, 15 May 2014 00:20:59 -0400 Message-ID: <537440A7.2020707@colorfullife.com> Date: Thu, 15 May 2014 06:20:55 +0200 From: Manfred Spraul User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Davidlohr Bueso CC: akpm@linux-foundation.org, aswin@hp.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 5/5] ipc,msg: loosen check for full queue References: <1400012857-11733-1-git-send-email-davidlohr@hp.com> <1400012857-11733-6-git-send-email-davidlohr@hp.com> <5373AF39.7030406@colorfullife.com> <1400097031.3865.25.camel@buesod1.americas.hpqcorp.net> In-Reply-To: <1400097031.3865.25.camel@buesod1.americas.hpqcorp.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Davidlohr, On 05/14/2014 09:50 PM, Davidlohr Bueso wrote: > Do you have any preferences? I can cook up a patch if you think that > this merits Linux having MSGTQL. MSGTQL means a global counter - therefore zero scalability. That's why I didn't implement it when I noticed the issue with 0-byte messages. > Worst case scenario, we should update the msgsnd(2) manpage and document > this unique Linux behavior. I would document the current behavior. -- Manfred