Ensure hugetlb folio migration also transfers the memcg metadata. This fixlet should be squashed to the following patch: https://lore.kernel.org/lkml/20231003001828.2554080-3-nphamcs@xxxxxxxxx/ hugetlb: memcg: account hugetlb-backed memory in memory controller Suggested-by: Johannes Weiner <hannes@xxxxxxxxxxx> Signed-off-by: Nhat Pham <nphamcs@xxxxxxxxx> --- mm/migrate.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/migrate.c b/mm/migrate.c index 7d1804c4a5d9..6034c7ed1d65 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -633,8 +633,7 @@ void folio_migrate_flags(struct folio *newfolio, struct folio *folio) folio_copy_owner(newfolio, folio); - if (!folio_test_hugetlb(folio)) - mem_cgroup_migrate(folio, newfolio); + mem_cgroup_migrate(folio, newfolio); } EXPORT_SYMBOL(folio_migrate_flags); -- 2.34.1
