Man pages matching name sysctl.conf in section 5:

sysctl.conf.5.ja	debian 10 / manpages-ja
sysctl.conf.5.en	debian 10 / procps
sysctl.conf.5.ja	debian 11 / manpages-ja
sysctl.conf.5.de	debian 11 / procps
sysctl.conf.5.en	debian 11 / procps
sysctl.conf.5.fr	debian 11 / procps
sysctl.conf.5.uk	debian 11 / procps
sysctl.conf.5.ja	debian 12 / manpages-ja
sysctl.conf.5.de	debian 12 / procps
sysctl.conf.5.en	debian 12 / procps
sysctl.conf.5.fr	debian 12 / procps
sysctl.conf.5.pt_BR	debian 12 / procps
sysctl.conf.5.sv	debian 12 / procps
sysctl.conf.5.uk	debian 12 / procps