Re: [PATCH 2/5] mm: migration of hugetlbfs page skip memcg

[Johannes Weiner]

On Sun, Aug 30, 2020 at 02:01:30PM -0700, Hugh Dickins wrote:
> hugetlbfs pages do not participate in memcg: so although they do find
> most of migrate_page_states() useful, it would be better if they did
> not call into mem_cgroup_migrate() - where Qian Cai reported that LTP's
> move_pages12 triggers the warning in Alex Shi's prospective commit
> "mm/memcg: warning on !memcg after readahead page charged".
> 
> Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx>

Acked-by: Johannes Weiner <hannes@xxxxxxxxxx>