On Thu, Feb 18, 2021 at 04:45:11PM +0100, Michal Koutný wrote: > On Wed, Feb 17, 2021 at 03:52:59PM -0500, Johannes Weiner <hannes@xxxxxxxxxxx> wrote: > > In this case, we're talking about a relatively small data structure > > and the overhead is per mountpoint. > IIUC, it is per each mountpoint's number of cgroups. But I still accept > the argument above. Furthermore, this can be changed later. Oops, you're right of course. > > The default root group has statically preallocated percpu data before > > and after this patch. See cgroup.c: > I stand corrected, the comment is still valid. > > Therefore, > Reviewed-by: Michal Koutný <mkoutny@xxxxxxxx> Thanks for your reviews, Michal!