From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner+w=401wt.eu-S1753933Ab0ARPYv@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1753933Ab0ARPYv (ORCPT <rfc822;w@1wt.eu>);
	Mon, 18 Jan 2010 10:24:51 -0500
Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753509Ab0ARPYu
	(ORCPT <rfc822;linux-kernel-outgoing>);
	Mon, 18 Jan 2010 10:24:50 -0500
Received: from casper.infradead.org ([85.118.1.10]:46324 "EHLO
	casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1753502Ab0ARPYt (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Mon, 18 Jan 2010 10:24:49 -0500
Subject: Re: [PATCH v6] add MAP_UNLOCKED mmap flag
From: Peter Zijlstra <peterz@infradead.org>
To: Avi Kivity <avi@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
       Pekka Enberg <penberg@cs.helsinki.fi>, linux-mm@kvack.org,
       kosaki.motohiro@jp.fujitsu.com, linux-kernel@vger.kernel.org,
       linux-api@vger.kernel.org, akpm@linux-foundation.org,
       andrew.c.morrow@gmail.com,
       "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
In-Reply-To: <4B547C09.8010906@redhat.com>
References: <20100118133755.GG30698@redhat.com>
	 <84144f021001180609r4d7fbbd0p972d5bc0e227d09a@mail.gmail.com>
	 <20100118141938.GI30698@redhat.com>
	 <20100118143232.0a0c4b4d@lxorguk.ukuu.org.uk>
	 <1263826198.4283.600.camel@laptop>  <20100118150159.GB14345@redhat.com>
	 <1263827194.4283.609.camel@laptop>  <4B547A31.4090106@redhat.com>
	 <1263827683.4283.610.camel@laptop>  <4B547C09.8010906@redhat.com>
Content-Type: text/plain; charset="UTF-8"
Date: Mon, 18 Jan 2010 16:24:07 +0100
Message-ID: <1263828247.4283.612.camel@laptop>
Mime-Version: 1.0
X-Mailer: Evolution 2.28.1 
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Mon, 2010-01-18 at 17:19 +0200, Avi Kivity wrote:
> > I would not advice that, just mlock() the text and data you need for the
> > real-time thread. mlockall() is a really blunt instrument.
> >    
> 
> May not be feasible due to libraries. 

Esp for the real-time case I could advise not to use those libraries
then, since they're clearly not designed for that use case.