From owner-freebsd-arm@FreeBSD.ORG  Sat Feb 15 13:03:45 2014
Return-Path: <owner-freebsd-arm@FreeBSD.ORG>
Delivered-To: freebsd-arm@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 3576BFD;
 Sat, 15 Feb 2014 13:03:45 +0000 (UTC)
Received: from mail.machdep.com (mail.machdep.com [195.91.211.41])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id DC5CA15A1;
 Sat, 15 Feb 2014 13:03:44 +0000 (UTC)
Received: from localhost ([127.0.0.1] helo=machdep.com)
 by mail.machdep.com with smtp (Exim 4.82 (FreeBSD))
 (envelope-from <br@machdep.com>)
 id 1WEesi-0001C2-Nz; Sat, 15 Feb 2014 17:02:08 +0400
Received: by machdep.com (nbSMTP-1.00) for uid 1001
 br@machdep.com; Sat, 15 Feb 2014 17:02:08 +0400 (MSK)
Date: Sat, 15 Feb 2014 17:02:08 +0400
From: Ruslan Bukin <br@FreeBSD.org>
To: Zbigniew Bodek <zbb@freebsd.org>
Subject: Re: RFC: Improvements to superpages support on ARM
Message-ID: <20140215130208.GA4462@machdep.com>
References: <CALF_Tx=V5KjL-RbjQZ1D5uhu=DtiHoTxmrUQRUFo+2VQDmXJXQ@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <CALF_Tx=V5KjL-RbjQZ1D5uhu=DtiHoTxmrUQRUFo+2VQDmXJXQ@mail.gmail.com>
User-Agent: Mutt/1.5.22 (2013-10-16)
Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>,
 "freebsd-embedded@freebsd.org" <freebsd-embedded@freebsd.org>
X-BeenThere: freebsd-arm@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: "Porting FreeBSD to ARM processors." <freebsd-arm.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-arm>,
 <mailto:freebsd-arm-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arm/>
List-Post: <mailto:freebsd-arm@freebsd.org>
List-Help: <mailto:freebsd-arm-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arm>,
 <mailto:freebsd-arm-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 15 Feb 2014 13:03:45 -0000

On Mon, Feb 10, 2014 at 02:13:20AM +0100, Zbigniew Bodek wrote:
> Hello.
> 
> I would like to submit some patches for superpages support.
> 
> Please check out below:
> http://people.freebsd.org/~zbb/arm/pmap/superpages/02.2014/
> 
> I will appreciate if someone could test the patches (all patches need
> to be applied).
> All comments and remarks are also welcome.
> 
> You can stress the memory system by using for example forkbomb from ports:
> benchmarks/forkbomb/
> 
> forkbomb -M -l 512 --runasroot --quit
> will allocate and touch 512 MB of memory
> 
> Please remember to set loader variable:
> vm.pmap.sp_enabled=1
> or sp_enabled to positive value in pmap-v6.c
> 

works fine on freescale VF50

% sysctl vm.pmap.sp_enabled
vm.pmap.sp_enabled: 1

% forkbomb -M -l 32 --runasroot --quit
Safety alarm at 300 sec. enabled.
Actions: alloc 32 MB (step 4096 kB) and touch it.
Forkbomb 1.4 started.
%