Messages in this thread |  | | Date | Wed, 3 Jul 2019 08:56:28 +0200 | From | Michal Hocko <> | Subject | Re: [PATCH] mm, slab: Extend slab/shrink to shrink all the memcg caches |
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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
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