Messages in this thread | | | Date | Tue, 15 Nov 2011 19:02:49 -0500 | From | KOSAKI Motohiro <> | Subject | Re: [RFC PATCH V2] Enforce RSS+Swap rlimit |
| |
On 11/15/2011 8:10 AM, Jerome Marchand wrote: > > Change since V1: rebase on 3.2-rc1 > > Currently RSS rlimit is not enforced. We can not forbid a process to exceeds > its RSS limit and allow it swap out. That would hurts the performance of all > system, even when memory resources are plentiful. > > Therefore, instead of enforcing a limit on rss usage alone, this patch enforces > a limit on rss+swap value. This is similar to memsw limits of cgroup. > If a process rss+swap usage exceeds RLIMIT_RSS max limit, he received a SIGBUS > signal.
No good idea. - RLIMIT_RSS has clear definition and this patch break it. you should makes another rlimit at least. - SIGBUS can be ignored. rlimit shouldn't ignorable.
| |