Man pages matching name migrate_pages in section 2:

migrate_pages.2.en	debian 10 / manpages-dev
migrate_pages.2.ja	debian 10 / manpages-ja-dev
migrate_pages.2.en	debian 11 / manpages-dev
migrate_pages.2.fr	debian 11 / manpages-fr-dev
migrate_pages.2.ja	debian 11 / manpages-ja-dev
migrate_pages.2.en	debian 12 / manpages-dev
migrate_pages.2.fr	debian 12 / manpages-fr-dev
migrate_pages.2.ja	debian 12 / manpages-ja-dev
migrate_pages.2.ru	debian 12 / manpages-ru-dev