Michal Hocko - 07.11.18, 17:00: > > > otherwise anybody could simply DoS the system > > > by consuming all available pids. > > > > People can do that today using the instrument of terror widely known > > as fork(2). The only thing standing between fork(2) and a full > > process table is RLIMIT_NPROC. > > not really. If you really do care about pid space depletion then you > should use pid cgroup controller.
Its not quite on-topic, but I am curious now: AFAIK PID limit is 16 bits. Right? Could it be raised to 32 bits? I bet it would be a major change throughout different parts of the kernel. 16 bits sound a bit low these days, not only for PIDs, but also for connections / ports. -- Martin
