[Devel] Re: [RFC][PATCH] introduce task cgroup (#task restrictioon for prevent fork bomb by cgroup)

[KOSAKI Motohiro]

> You are not handling task migration between groups, i.e.:
>        # echo $$ > /cgroup/1/tasks
>        # echo $$ > /cgroup/2/tasks

Oh, nice point out.
Thanks!


> Maybe you need to add this in cgroup_init_subsys():
>
> -       need_forkexit_callback |= ss->fork || ss->exit;
> +       need_forkexit_callback |= ss->fork || ss->exit || ss->can_fork;
>
> and then we can do:
>
> if (need_forkexit_callback) {
>        for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {

good idea :)
I'll fix it at next post.
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