linux-kernel - Re: [PATCH v6] add MAP

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Message-ID: <1263827683.4283.610.camel@laptop>
Date:	Mon, 18 Jan 2010 16:14:43 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Avi Kivity <avi@...hat.com>
Cc:	Gleb Natapov <gleb@...hat.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Pekka Enberg <penberg@...helsinki.fi>, linux-mm@...ck.org,
	kosaki.motohiro@...fujitsu.com, linux-kernel@...r.kernel.org,
	linux-api@...r.kernel.org, akpm@...ux-foundation.org,
	andrew.c.morrow@...il.com,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: Re: [PATCH v6] add MAP_UNLOCKED mmap flag

On Mon, 2010-01-18 at 17:11 +0200, Avi Kivity wrote:
> On 01/18/2010 05:06 PM, Peter Zijlstra wrote:
> > On Mon, 2010-01-18 at 17:01 +0200, Gleb Natapov wrote:
> >    
> >> There are valid uses for mlockall()
> >>      
> > That's debatable.
> >
> >    
> 
> Real-time?

I would not advice that, just mlock() the text and data you need for the
real-time thread. mlockall() is a really blunt instrument.



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