Messages in this thread | | | Date | Mon, 4 May 2009 11:33:10 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH 0/4] PM: Drop shrink_all_memory (rev. 2) (was: Re: [PATCH 3/3] PM/Hibernate: Use memory allocations to free memory) |
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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, ... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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