Re: [PATCH v1 2/6] memcg-v1: remove charge move code

[David Hildenbrand <david@xxxxxxxxxx>]

> -
> -	pgdat = folio_pgdat(folio);
> -	from_vec = mem_cgroup_lruvec(from, pgdat);
> -	to_vec = mem_cgroup_lruvec(to, pgdat);
> -
> -	folio_memcg_lock(folio);
> -
> -	if (folio_test_anon(folio)) {
> -		if (folio_mapped(folio)) {
> -			__mod_lruvec_state(from_vec, NR_ANON_MAPPED, -nr_pages);
> -			__mod_lruvec_state(to_vec, NR_ANON_MAPPED, nr_pages);

Good, because this code was likely wrong :) (-> partially mapped anon 
folios)


--
Cheers,

David / dhildenb