On Fri, 20 Mar 2020, Michal Hocko wrote: > On Thu 19-03-20 17:38:30, Ivan Teterevkov wrote: > > Also, shall this magic -1 be exposed to the user? I think it's a "no", > > but what if the user wants to un-override the memcg.swappiness... > > If we are to use such a semantic then it absolutely has to be an opt-in behavior > and expressed in some way to the user space (e.g. a symbolic name referring to > the global setting). A symbolic link would be a good approach but... > I am not convinced we need it. ... agree and not going any further with the suggestion. Support of the sysctl parameters in the kernel command line is a better solution and would address my initially raised concern to tackle the configuration parameters. Thanks Ivan