From: Johannes Weiner <hannes@cmpxchg.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: Nigel Cunningham <ncunningham@crca.org.au>,
Hugh Dickins <hugh.dickins@tiscali.co.uk>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: swsusp on nommu, was 'Re: No more bits in vm_area_struct's vm_flags.'
Date: Wed, 30 Sep 2009 15:08:15 +0200 [thread overview]
Message-ID: <20090930130815.GA4134@cmpxchg.org> (raw)
In-Reply-To: <20090930120202.GB1412@ucw.cz>
On Wed, Sep 30, 2009 at 02:02:03PM +0200, Pavel Machek wrote:
> 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...
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.
Hannes
WARNING: multiple messages have this Message-ID (diff)
From: Johannes Weiner <hannes@cmpxchg.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: Nigel Cunningham <ncunningham@crca.org.au>,
Hugh Dickins <hugh.dickins@tiscali.co.uk>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: swsusp on nommu, was 'Re: No more bits in vm_area_struct's vm_flags.'
Date: Wed, 30 Sep 2009 15:08:15 +0200 [thread overview]
Message-ID: <20090930130815.GA4134@cmpxchg.org> (raw)
In-Reply-To: <20090930120202.GB1412@ucw.cz>
On Wed, Sep 30, 2009 at 02:02:03PM +0200, Pavel Machek wrote:
> 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...
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.
Hannes
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next prev parent reply other threads:[~2009-09-30 13:09 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-23 4:15 No more bits in vm_area_struct's vm_flags Nigel Cunningham
2009-09-23 20:23 ` Hugh Dickins
2009-09-23 20:23 ` Hugh Dickins
2009-09-25 8:30 ` Nigel Cunningham
2009-09-25 8:30 ` Nigel Cunningham
2009-09-25 11:36 ` Hugh Dickins
2009-09-25 11:36 ` Hugh Dickins
2009-09-25 11:47 ` Nigel Cunningham
2009-09-25 11:47 ` Nigel Cunningham
2009-09-30 12:02 ` Pavel Machek
2009-09-30 12:02 ` Pavel Machek
2009-09-30 13:08 ` Johannes Weiner [this message]
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
2009-09-30 16:06 ` Mike Frysinger
2009-09-24 1:05 ` No more bits in vm_area_struct's vm_flags KAMEZAWA Hiroyuki
2009-09-24 1:05 ` KAMEZAWA Hiroyuki
2009-09-25 8:34 ` Nigel Cunningham
2009-09-25 8:34 ` Nigel Cunningham
2009-09-25 8:40 ` KAMEZAWA Hiroyuki
2009-09-25 8:40 ` KAMEZAWA Hiroyuki
2009-09-25 8:48 ` Nigel Cunningham
2009-09-25 8:48 ` Nigel Cunningham
2009-09-25 21:09 ` Joerg Roedel
2009-09-25 21:09 ` Joerg Roedel
2009-09-28 2:45 ` Nigel Cunningham
2009-09-28 2:45 ` Nigel Cunningham
2009-09-28 3:04 ` KAMEZAWA Hiroyuki
2009-09-28 3:04 ` KAMEZAWA Hiroyuki
2009-09-28 3:36 ` Wu Fengguang
2009-09-28 3:36 ` Wu Fengguang
2009-09-28 3:57 ` KAMEZAWA Hiroyuki
2009-09-28 3:57 ` KAMEZAWA Hiroyuki
2009-09-28 4:37 ` Nigel Cunningham
2009-09-28 4:37 ` Nigel Cunningham
2009-09-28 4:51 ` Wu Fengguang
2009-09-28 4:51 ` Wu Fengguang
2009-09-28 4:53 ` KAMEZAWA Hiroyuki
2009-09-28 4:53 ` KAMEZAWA Hiroyuki
2009-09-28 5:22 ` Nigel Cunningham
2009-09-28 5:22 ` Nigel Cunningham
2009-09-28 5:32 ` KAMEZAWA Hiroyuki
2009-09-28 5:32 ` KAMEZAWA Hiroyuki
2009-09-28 21:21 ` Hugh Dickins
2009-09-28 21:21 ` Hugh Dickins
2009-09-28 21:33 ` Nigel Cunningham
2009-09-28 21:33 ` Nigel Cunningham
2009-09-28 15:38 ` Hugh Dickins
2009-09-28 15:38 ` Hugh Dickins
2009-09-28 16:14 ` KAMEZAWA Hiroyuki
2009-09-28 16:14 ` KAMEZAWA Hiroyuki
2009-09-28 21:00 ` Hugh Dickins
2009-09-28 21:00 ` Hugh Dickins
2009-09-28 21:22 ` Nigel Cunningham
2009-09-28 21:22 ` Nigel Cunningham
2009-09-29 1:57 ` KAMEZAWA Hiroyuki
2009-09-29 1:57 ` KAMEZAWA Hiroyuki
2009-09-29 14:22 ` Christoph Lameter
2009-09-29 14:22 ` Christoph Lameter
2009-10-01 10:54 ` Hugh Dickins
2009-10-01 10:54 ` Hugh Dickins
2009-10-01 13:47 ` Christoph Lameter
2009-10-01 13:47 ` Christoph Lameter
2009-10-01 11:38 ` Hugh Dickins
2009-10-01 11:38 ` Hugh Dickins
2009-10-02 0:42 ` KAMEZAWA Hiroyuki
2009-10-02 0:42 ` KAMEZAWA Hiroyuki
2009-10-02 1:37 ` KAMEZAWA Hiroyuki
2009-10-02 1:37 ` KAMEZAWA Hiroyuki
2009-10-02 2:39 ` KAMEZAWA Hiroyuki
2009-10-02 2:39 ` KAMEZAWA Hiroyuki
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