From: Mike Frysinger <vapier.adi@gmail.com>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Pavel Machek <pavel@ucw.cz>,
Nigel Cunningham <ncunningham@crca.org.au>,
Hugh Dickins <hugh.dickins@tiscali.co.uk>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: swsusp on nommu, was 'Re: No more bits in vm_area_struct's vm_flags.'
Date: Wed, 30 Sep 2009 12:06:58 -0400 [thread overview]
Message-ID: <8bd0f97a0909300906k283e3fd2q80705dbf78588cac@mail.gmail.com> (raw)
In-Reply-To: <20090930130815.GA4134@cmpxchg.org>
On Wed, Sep 30, 2009 at 09:08, Johannes Weiner wrote:
> On Wed, Sep 30, 2009 at 02:02:03PM +0200, Pavel Machek wrote:
>> > > 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...
>
> I am sitting on some dusty patches to split swapfile handling from
> actual paging and implement swsusp on blackfin. They are incomplete
> and I only occasionally find the time to continue working on them. If
> somebody is interested or also working on it, please let me know.
suspend to ram works on Blackfin systems w/out a problem, and i cant
think of a reason off the top of my head as to why saving/restoring
the image to disk couldnt work w/out a mmu ...
last time we looked, we found it too coupled to mmu code and we didnt
have a lot of pressure to get it done, so we moved on to other things.
-mike
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next prev parent reply other threads:[~2009-09-30 15:53 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4AB9A0D6.1090004@crca.org.au>
2009-09-23 20:23 ` No more bits in vm_area_struct's vm_flags Hugh Dickins
2009-09-25 8:30 ` Nigel Cunningham
2009-09-25 11:36 ` Hugh Dickins
2009-09-25 11:47 ` Nigel Cunningham
2009-09-30 12:02 ` Pavel Machek
2009-09-30 13:08 ` swsusp on nommu, was 'Re: No more bits in vm_area_struct's vm_flags.' Johannes Weiner
2009-09-30 16:06 ` Mike Frysinger [this message]
2009-09-24 1:05 ` No more bits in vm_area_struct's vm_flags KAMEZAWA Hiroyuki
2009-09-25 8:34 ` Nigel Cunningham
2009-09-25 8:40 ` KAMEZAWA Hiroyuki
2009-09-25 8:48 ` Nigel Cunningham
2009-09-25 21:09 ` Joerg Roedel
2009-09-28 2:45 ` Nigel Cunningham
2009-09-28 3:04 ` KAMEZAWA Hiroyuki
2009-09-28 3:36 ` Wu Fengguang
2009-09-28 3:57 ` KAMEZAWA Hiroyuki
2009-09-28 4:37 ` Nigel Cunningham
2009-09-28 4:51 ` Wu Fengguang
2009-09-28 4:53 ` KAMEZAWA Hiroyuki
2009-09-28 5:22 ` Nigel Cunningham
2009-09-28 5:32 ` KAMEZAWA Hiroyuki
2009-09-28 21:21 ` Hugh Dickins
2009-09-28 21:33 ` Nigel Cunningham
2009-09-28 15:38 ` Hugh Dickins
2009-09-28 16:14 ` KAMEZAWA Hiroyuki
2009-09-28 21:00 ` Hugh Dickins
2009-09-28 21:22 ` Nigel Cunningham
2009-09-29 1:57 ` KAMEZAWA Hiroyuki
2009-09-29 14:22 ` Christoph Lameter
2009-10-01 10:54 ` Hugh Dickins
2009-10-01 13:47 ` Christoph Lameter
2009-10-01 11:38 ` Hugh Dickins
2009-10-02 0:42 ` KAMEZAWA Hiroyuki
2009-10-02 1:37 ` KAMEZAWA Hiroyuki
2009-10-02 2:39 ` KAMEZAWA Hiroyuki
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