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Subject[RFC][PATCH][0/3] introduce rlimit cgroup
Hello,

I think existing rlimit interface isn't useful.
So I created rlimit interface on cgroup.
Do you think this is a proper way todo it? (or Is there any similar methods already?)

usage
=======================================
# mkdir /dev/cgroup
# mount -t cgroup -o rlimit none /dev/cgroup
# ls /dev/cgroup
notify_on_release release_agent rlimit.limits tasks
# cat /dev/cgroup/rlimit.limits
Number Limit Soft Limit Hard Limit Unit
0 Max cpu time unlimited unlimited ms
1 Max file size unlimited unlimited bytes
2 Max data size unlimited unlimited bytes
3 Max stack size 8388608 unlimited bytes
4 Max core file size 0 unlimited bytes
5 Max resident set unlimited unlimited bytes
6 Max processes 16300 16300 processes
7 Max open files 1024 1024 files
8 Max locked memory 32768 32768 bytes
9 Max address space unlimited unlimited bytes
10 Max file locks unlimited unlimited locks
11 Max pending signals 16300 16300 signals
12 Max msgqueue size 819200 819200 bytes
13 Max nice priority 0 0
14 Max realtime priority 0 0
15 Max realtime timeout unlimited unlimited us
# echo "1 100000000 200000000" > /dev/cgroup/rlimit.limits
# cat /proc/zero > /tmp/hoge
[1] 2854 file size limit exceeded cat /dev/zero > /tmp/hoge









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