Re: [RFC][PATCH] swsusp: support creating bigger images

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Hi,

On Tuesday 25 April 2006 12:04, Pavel Machek wrote:
> > > Okay, so it can be done, and patch does not look too bad. It still
> > > scares me. Is 800MB image more responsive than 500MB after resume?
> > 
> > Yes, it is, slightly, but I think 800 meg images are impractical for
> > performance reasons (like IMO everything above 500 meg with the current
> > hardware).  However this means we can save 80% of RAM with the patch
> > and that should be 400 meg instead of 250 on a 500 meg machine, or
> > 200 meg instead of 125 on a 250 meg machine.
> 
> Could we get few people trying it on such small machines to see if it
> is really that noticeable?

OK, I'll try to run some tests on a machine with smaller RAM (and slower CPU).

> > > Is benefit worth it?
> > 
> > Well, that depends.  I think for boxes with 1 GB of RAM or more it's just
> > unnecessary (as of today, but this may change if faster disks are available).
> > On boxes with 512 MB of RAM or less it may change a lot as far as the
> > responsiveness after resume is concerned.
> > 
> > Anyway do you think it may go into -mm (unless Andrew shoots it down,
> > that is ;-))?
> 
> I'd really like to hear that it helps someone before going to
> -mm. It looks clean enough but still it is 300 lines... 

Oh, it's not that bad.  Adds ~240 lines and removes 75. :-)

Greetings,
Rafael


> 
> 									Pavel

-- 
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