On Tue 02-07-19 14:37:30, Waiman Long wrote: > Currently, a value of '1" is written to /sys/kernel/slab/<slab>/shrink > file to shrink the slab by flushing all the per-cpu slabs and free > slabs in partial lists. This applies only to the root caches, though. > > Extends this capability by shrinking all the child memcg caches and > the root cache when a value of '2' is written to the shrink sysfs file. Why do we need a new value for this functionality? I would tend to think that skipping memcg caches is a bug/incomplete implementation. Or is it a deliberate decision to cover root caches only? -- Michal Hocko SUSE Labs