Here comes the sync update for 4.0 gc branch
1. Add ck's sync patch upon 0462 for v4.0.2
2. Fix return type error for SMT_NICE, thanks pf pointing it out.
3. bfs: hotplug affinity enhancement, v1
This is a little long story and basically it is not for pc, I'll open another topic for it later.
I also enable the github repo, so the code are on GitHub and BitBucket, feel free to pick whatever you like. Having fun!