NAME /proc/keys, /proc/key-users
NAME /proc/sys/user/ - limits
NAME users - print
NAME user-keyring
NAME proc - process
NAME openssl-ec
NAME /proc/kmsg - kernel
NAME openssl-dsa
NAME /proc/pid/timers - POSIX
NAME /proc/kcore - physical
NAME /proc/kallsyms - kernel
NAME persistent-keyring