Messages in this thread | | | Date | Thu, 8 Jan 2009 13:41:33 +0900 | From | Daisuke Nishimura <> | Subject | Re: [RFC][PATCH 0/4] Memory controller soft limit patches |
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> > 1. please fix current bugs on hierarchy management, before new feature. > > AFAIK, OOM-Kill under hierarchy is broken. (I have patches but waits for > > merge window close.) > > I've not hit the OOM-kill issue under hierarchy so far, is the OOM > killer selecting a bad task to kill? I'll debug/reproduce the issue. > I am not posting these patches for inclusion, fixing bugs is > definitely the highest priority. > I agree.
Just FYI, I have several bug fix patches for current memcg(that is for .29). I've been testing them now, and it survives my test(rmdir aftre task move under memory pressure and page migration) w/o big problem(except oom) for hours in both use_hierarchy==0/1 case.
> > I wonder there will be some others. Lockdep error which Nishimura reported > > are all fixed now ? > > I run all my kernels and tests with lockdep enabled, I did not see any > lockdep errors showing up. > I think Paul's hierarchy_mutex patches fixed the dead lock, I haven't seen the dead lock after the patch. (Although, it may cause another dead lock when other subsystems are added.)
Thanks, Daisuke Nishimura.
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