Re: [PATCH v2 1/2] cgroups: allow a cgroup subsystem to reject a fork
From: Tejun Heo
Date: Tue Mar 10 2015 - 08:47:10 EST
On Tue, Mar 10, 2015 at 07:19:06PM +1100, Aleksa Sarai wrote:
> I'm not sure how to check for equality between two `css_set`s (or just two
> `css`s). Is there a function to do so? Also, I'm not sure if there's a nice way
You can compare the css pointers for equality.
> of doing a charge that stops if you hit a certain `css` (unless we start
> passing `css_set`s to the fork/exit callbacks -- and then we can uncharge the
> old css_set and charge the new one).
We'll have to pass the pointer from can_fork side to post_fork. I'm
not sure how that should be done either.
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