linux-kernel - Re: [PATCH] Adds Kconfig option for Cross Memory Attach

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Date:	Tue, 24 Apr 2012 11:43:40 +0930
From:	Christopher Yeoh <cyeoh@....ibm.com>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Adds Kconfig option for Cross Memory Attach

On Mon, 23 Apr 2012 08:48:52 -0700
Randy Dunlap <rdunlap@...otime.net> wrote:
> On 04/22/2012 09:12 PM, Christopher Yeoh wrote:
> 
> > Hi Andrew,
> > 
> > Attached is a patch which you asked for a while back which adds a
> > Kconfig option to allow people who don't want cross memory attach
> > to not have it included in their build.
> 
> 
> and it shouldn't be default y.
> 
> Linus has written a diatribe on [not] making new options
> default to y.

I'm not that fussed, but currently CMA is enabled whether you like it
or not. This just allows you to disable it. IIRC there was an exception
where a new config option allows you to disable an old feature
(although CMA has not been out that long).

Regards,

Chris
-- 
cyeoh@...ibm.com

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