On Sun, Aug 30, 2020 at 2:01 PM Hugh Dickins <hughd@xxxxxxxxxx> 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> Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx>
