Man pages matching name alloc_hugepages in section 2:

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