On Monday 07 June 2010, Martin Steigerwald wrote: > Am Montag 07 Juni 2010 schrieb Nigel Cunningham: > > Hi. > > Hi Nigel and Rafael, hi everyone else involved, > > > On 07/06/10 05:04, Rafael J. Wysocki wrote: > > > On Sunday 06 June 2010, Maxim Levitsky wrote: > > >> On Sun, 2010-06-06 at 15:57 +0200, Rafael J. Wysocki wrote: > > >>> On Sunday 06 June 2010, Maxim Levitsky wrote: > > > ... > > > > > >>> So how TuxOnIce helps here? > > >> > > >> Very simple. > > >> > > >> With swsusp, I can save 750MB (memory) + 250 Vram (vram) > > >> With full memory save I can save (1750 MB of memory) + 250 MB of > > >> vram.... > > > > > > So what about being able to save 1600 MB total instead of the 2 GB > > > (which is what we're talking about in case that's not clear)? Would > > > it be _that_ _much_ worse? > > > > That all depends on what is in the 400MB you discard. > > > > The difference is "Just as if you'd never hibernated" vs something > > closer to "Just as if you'd only just started up". We can't make > > categorical statements because it really does depend upon what you > > discard and what you want to do post-resume - that is, how useful the > > memory you discard would have been. That's always going to vary from > > case to case. > > Nigel and Rafael, how about just testing it? ISTR that can be done to some extent using TuxOnIce as is, becuase there is a knob that you can use to limit the image size. > Whats needed to have 80% of the memory saved instead of 50%? > > I think its important to go the next steps towards a better snapshot in > mainline kernel even when you do not agree on the complete end result yet. > > What about > > - Rafael, you review the async write patches of Nigel. If they are good, > IMHO they should go in as soon as possible. Yes, I'm going to do that. > - Nigel and/or Rafael, you look at whats needed to save 80% instead of 50% > of the memory and develop a patch for it That would be my suggestion as well. Thanks, Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
