linux-kernel - Re: No more bits in vm_area_struct's vm

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Message-ID: <20090930120202.GB1412@ucw.cz>
Date:	Wed, 30 Sep 2009 14:02:03 +0200
From:	Pavel Machek <pavel@....cz>
To:	Nigel Cunningham <ncunningham@...a.org.au>
Cc:	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: No more bits in vm_area_struct's vm_flags.

Hi!

> > Does TuxOnIce rely on CONFIG_MMU?  If so, then the TuxOnIce patch
> > could presumably reuse VM_MAPPED_COPY for now - but don't be
> > surprised if that's one we clean away later on.
> 
> Hmm. I'm not sure. The requirements are the same as for swsusp and
> uswsusp. Is there some tool to graph config dependencies?

I don't think swsusp was ported on any -nommu architecture, so config
dependency on MMU should be ok. OTOH such port should be doable...

								Pavel 

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