Re: Which is simpler? (Was Re: [Suspend2-devel] Re: [ 00/10] [Suspend2] Modules support.)
From: Pavel Machek
Date: Mon Feb 20 2006 - 08:18:33 EST
> Hi.
>
> On Monday 20 February 2006 20:56, Pavel Machek wrote:
> > On Po 20-02-06 10:47:28, Matthias Hensler wrote:
> > > On Mon, Feb 20, 2006 at 01:53:33AM +0100, Pavel Machek wrote:
> > > > Only feature I can't do is "save whole pagecache"... and 14000 lines
> > > > of code for _that_ is a bit too much. I could probably patch my kernel
> > > > to dump pagecache to userspace, but I do not think it is worth the
> > > > effort.
> > >
> > > I do not think that Suspend 2 needs 14000 lines for that, the core is
> > > much smaller. But besides, _not_ saving the pagecache is a really _bad_
> > > idea. I expect to have my system back after resume, in the same state I
> > > had left it prior to suspend. I really do not like it how it is done by
> > > Windows, it is just ugly to have a slowly responding system after
> > > resume, because all caches and buffers are gone.
> >
> > That's okay, swsusp already saves configurable ammount of pagecache.
>
> Really? How is it configured?
If you want to limit the suspend image size to N bytes, do
echo N > /sys/power/image_size
before suspend (it is limited to 500 MB by default).
Pavel
--
Thanks, Sharp!
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