I don't know what's causing the issue but you're chasing a ghost if you're trying to tune your swap/memory environment.
I don't think so - as I can see, when this happens to me, kernel copies (whats interesting it realy copies, not moving ) content of ram to swap ( without any reason, even when 20% of RAM is free ) untill swap is full. I have 4G of RAM and 2G of swap -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/721896 Title: kswapd0 100% cpu usage To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/721896/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs