/proc/pid/limits - resource limits
- /proc/pid/limits (since Linux 2.6.24)
- This file displays the soft limit, hard limit, and units of measurement
for each of the process's resource limits (see getrlimit(2)). Up to
and including Linux 2.6.35, this file is protected to allow reading only
by the real UID of the process. Since Linux 2.6.36, this file is readable
by all users on the system.