Man pages matching name membarrier in section 2:

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