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

From: David Hildenbrand
Date: Mon Oct 28 2024 - 06:22:26 EST


-
- 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