On Thu, 27 Jun 2019, Waiman Long wrote: > With Roman's kmem cache reparent patch, multiple kmem caches of the same > type can be seen attached to the same memcg id. All of them, except > maybe one, are reparent'ed kmem caches. It can be useful to tag those > reparented caches by adding a new slab flag "SLAB_DEACTIVATED" to those > kmem caches that will be reparent'ed if it cannot be destroyed completely. > > For the reparent'ed memcg kmem caches, the tag ":deact" will now be > shown in <debugfs>/memcg_slabinfo. > > [v2: Set the flag in the common code as suggested by Roman.] > > Signed-off-by: Waiman Long <longman@xxxxxxxxxx> > Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx> > Acked-by: Roman Gushchin <guro@xxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx>