Hello, On Fri, May 05, 2023 at 07:32:40PM +0200, Michal Koutný wrote: > On Fri, May 05, 2023 at 05:45:58AM -1000, Tejun Heo <tj@xxxxxxxxxx> wrote: > > > There are three relevant nodes for each cgroupfs entry: > > > > > > R ... cgroup hierarchy root > > > M ... mount root > > > C ... reader's cgroup NS root > > > > > > mountinfo is supposed to show path from C to M. > > > > At least for cgroup2, the path from C to M isn't gonna change once NS is > > established, right? > > Right. Although, the argument about M (when C above M or when C and M in > different subtrees) implicitly relies on the namespace_sem. I don't follow. Can you please elaborate a bit more? Thanks. -- tejun
