On Thu, 7 Nov 2019, Michal Hocko wrote: > On Thu 07-11-19 13:26:09, Knut Omang wrote: > > On Thu, 2019-11-07 at 12:58 +0100, Michal Hocko wrote: > > > On Thu 07-11-19 12:54:04, Knut Omang wrote: > > > > With the restructuring done in commit 9adeaa226988 > > > > ("mm, slab: move memcg_cache_params structure to mm/slab.h") > > > > > > > > it is no longer possible for code external to mm to access That patch only affected the memcg_cache_params structure and not kmem_cache. And I do not see any references to the memcg_cache_param? The fields that all allocators need to expose are listed in the struct kmme_cache definition in linux/mm/slab.h.