Man pages matching name proc_pid_statm in section 5:

proc_pid_statm.5.en	debian 13 / manpages
proc_pid_statm.5.de	debian 13 / manpages-de
proc_pid_statm.5.fr	debian 13 / manpages-fr
proc_pid_statm.5.pl	debian 13 / manpages-pl
proc_pid_statm.5.ro	debian 13 / manpages-ro