Re: [PATCH] introduce task cgroup v2

Randy Dunlap
2008-06-14T04:51:33Z

On Sat, 07 Jun 2008 20:00:00 +0900 KOSAKI Motohiro wrote:

> ---
> Documentation/controllers/task.txt | 18 +++
> include/linux/cgroup_subsys.h | 4
> include/linux/cgroup_task.h | 33 +++++
> init/Kconfig | 10 +
> kernel/Makefile | 1
> kernel/cgroup_task.c | 213 +++++++++++++++++++++++++++++++++++++
> kernel/fork.c | 4
> 7 files changed, 283 insertions(+)
>
> Index: b/init/Kconfig
> ===================================================================
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -289,6 +289,16 @@ config CGROUP_DEBUG
>
> Say N if unsure
>
> +config CGROUP_TASK
> + bool "Simple number of task accounting cgroup subsystem"
> + depends on CGROUPS && EXPERIMENTAL
> + default n
> + help
> + Provides a simple number of task accounting cgroup subsystem for

Indent help test one tab + 2 spaces, please.
s/for/to/

> + prevent fork bomb.

s/bomb/bombs/

> +
> + Say N if unsure

end with period (".").

> +
> config CGROUP_NS
> bool "Namespace cgroup subsystem"
> depends on CGROUPS

> Index: b/Documentation/controllers/task.txt
> ===================================================================
> --- /dev/null
> +++ b/Documentation/controllers/task.txt
> @@ -0,0 +1,18 @@
> +Task limit Controller
> +
> +1. Description
> +
> +Implement a cgroup to track number of tasks (process and thread).
> +this feature is useful for prevent fork bomb attack.

s/this/This/
s/for/to/
s/attack/attacks/ or s/prevent fork/prevent a fork/

> +
> +
> +2. User Interface
> +
> +ristrict number of tasks to 100.

Restrict

> +
> + # echo 100 > /cgroups/foo/task.max_tasks
> +
> +
> +display current number of tasks.

Display

> +
> + # cat > /cgroups/foo/task.nr_tasks
>
>
> --

---
~Randy
'"Daemon' is an old piece of jargon from the UNIX operating system,
where it referred to a piece of low-level utility software, a
fundamental part of the operating system."