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

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Message-ID: <20100118171148.GB22111@redhat.com>
Date:	Mon, 18 Jan 2010 19:11:48 +0200
From:	Gleb Natapov <gleb@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Avi Kivity <avi@...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, Jan 18, 2010 at 04:14:43PM +0100, Peter Zijlstra wrote:
> 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.
> 
Yes it is blunt, but the patch makes it less so.

--
			Gleb.
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