linux-kernel - Re: [RFC][PATCH][0/3] introduce rlimit cgroup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 24 Jul 2008 15:14:29 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Hirofumi Nakagawa <hnakagawa@...aclelinux.com>
Cc:	kosaki.motohiro@...fujitsu.com, linux-kernel@...r.kernel.org,
	menage@...gle.com
Subject: Re: [RFC][PATCH][0/3] introduce rlimit cgroup

Hi Nakagawa-san,

> Hello,
> 
> I think existing rlimit interface isn't useful.

Why it isn't useful?
Please explain your motivation.

> So I created rlimit interface on cgroup.
> Do you think this is a proper way todo it? (or Is there any similar methods already?)

your rlimit controller is merely setting process rlimit to each task in the group.
So, it isn't almost people required action.

At least, I don't think useful.

> # 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

in general, A complex setting file is thought as ugly.
Why can't separate it?




--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/