Hi! > > > > > No, I see it on i386, too. Try patch below; if it frees some after > > > > > first pass, you have that problem, too. > > > > > > > > I've run it once and the result is this: > > > > > > > > Freeing memory... done (75876 pages freed) > > > > Freeing memory... done (1536 pages freed) > > > > Freeing memory... done (0 pages freed) > > > > Freeing memory... done (1792 pages freed) > > > > Freeing memory... done (0 pages freed) > > > > > > > > It does free some pages after the first pass, but this is only a small fraction > > > > of all pages freed. I wouldn't call it a bad result ... > > > > > > Well, it still did not free all memory it should have freed, and you > > > were lucky. > > > > This is a reproducible behavior. Here goes the result for another suspend: > > > > Freeing memory... done (136611 pages freed) > > Freeing memory... done (200 pages freed) > > Freeing memory... done (128 pages freed) > > Freeing memory... done (0 pages freed) > > Freeing memory... done (2353 pages freed) > > > > and it is always like that. It usually frees more than 100000 pages > > in the first pass and about 5% more in the next passes together. > > > > > Apparently for some people it does not that well (and that > > > includes me, I see 0 in first pass quite often). > > > > On 2.6.12-rc3+ I have never seen 0 in the first pass. In fact, with X running > > I have never seen less than 60000. :-) > > > > Perhaps there's a bug that does not hit x86-64 for some reason. I'll try to > > run it on my second box later today and see what happens. > > This is the worst result from the second box: > > Freeing memory... done (54641 pages freed) > Freeing memory... done (0 pages freed) > Freeing memory... done (5120 pages freed) > Freeing memory... done (1952 pages freed) > Freeing memory... done (2304 pages freed) > > Still, there are 5x more pages freed in the first pass (80% of RAM was > empty anyway before suspend), and usually it is 10-20x more or so. I have seen 0 freed on i386 machine with preempt -rc6-mm1, today... Something is definitely wrong there. Pavel -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms
