On Wed 07-05-14 12:15:30, Vladimir Davydov wrote:
> Current names are rather inconsistent. Let's try to improve them.

Yes the old names are a giant mess. I am not sure the new ones are
that much better however.
 
> Brief change log:
> 
> ** old name **                          ** new name **
> 
> kmem_cache_create_memcg                 kmem_cache_request_memcg_copy

Both are bad because the first suggests we are creating memcg and the second 
that
we are requesting a copy of memcg.

memcg_alloc_kmem_cache?

_copy suffix is a bit confusing. E.g. copy_mm and others either to
shallow or deep copy depending on the context. This one always creats a
deep copy. Also why it is imporatant to treat the created caches as
copies?

> memcg_kmem_create_cache                 memcg_copy_kmem_cache

memcg_register_kmem_cache? It also allocates so this name is a bit
awkward as well.

> memcg_kmem_destroy_cache                memcg_destroy_kmem_cache_copy

memcg_unregister_kmem_cache to match the above?

> __kmem_cache_destroy_memcg_children     __kmem_cache_destroy_memcg_copies
> kmem_cache_destroy_memcg_children       kmem_cache_destroy_memcg_copies

_children suffix is really confusing because they have different meaning in
memcg and refer to children groups.

memcg_cleanup_kmem_chache_memcg_params? It doesn't have to live in the
kmem_cache namespace because it only does only memcg kmem specific
stuff.

> mem_cgroup_destroy_all_caches           memcg_destroy_kmem_cache_copies
> 
> create_work                             memcg_kmem_cache_copy_work

memcg_register_cache_work?

> memcg_create_cache_work_func            memcg_kmem_cache_copy_work_func

memcg_register_cache_func?

> memcg_create_cache_enqueue              memcg_schedule_kmem_cache_copy

memcg_schedule_register_cache?

-- 
Michal Hocko
SUSE Labs
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