Provided by: manpages_6.7-2_all 

NAME
/proc/kpagecgroup - memory cgroups
DESCRIPTION
/proc/kpagecgroup (since Linux 4.3)
This file contains a 64-bit inode number of the memory cgroup each page is charged to, indexed by
page frame number (see the discussion of /proc/pid/pagemap).
The /proc/kpagecgroup file is present only if the CONFIG_MEMCG kernel configuration option is
enabled.
SEE ALSO
proc(5)
Linux man-pages 6.7 2023-08-15 proc_kpagecgroup(5)