On Mon 2009-05-04 21:53:36, Rafael J. Wysocki wrote: > On Monday 04 May 2009, Pavel Machek wrote: > > Hi! > > > > > I know that swsusp_shrink_memory() has problems, that's why I'd like to get rid > > > of it. > > > > > > > I wonder if it's possible to free up the memory within 1s at all. > > > > > > I'm not sure. > > > > > > Apparently, the counting of saveable pages takes substantial time (0.5 s each > > > iteration on my 64-bit test box), so we can improve that by limiting the number > > > of iterations. > > > > We could increase step size after each step. Free in 40MB step, then > > 80MB step, then 160MB step, ... > > Why not just one step? It doesn't seem to hurt performance AFAICS. One step is obviously fine, too. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html