Re: [PATCH 3/3] Send cgroup_path in SCM_CGROUP

From: Tejun Heo
Date: Wed Aug 28 2013 - 10:00:10 EST


Hello, Jan.

Can you please cc cgroup maintainers and mailing lists from
MAINTAINERS for cgroup related changes?

On Tue, Aug 27, 2013 at 04:40:00PM +0200, Jan Kaluza wrote:

Also, please describe what change is being made why on each patch.
Repeating the same description is fine but each patch descrption
should be more or less self-sufficient.

> +int scm_get_current_cgroup_path(char **cgroup_path)
> +{
> + int ret = 0;
> +
> + *cgroup_path = kmalloc(PAGE_SIZE, GFP_KERNEL);

PATH_MAX?

> + if (!(*cgroup_path))
> + return -ENOMEM;
> +
> + ret = task_cgroup_path(current, *cgroup_path, PAGE_SIZE);
> + if (ret < 0) {
> + kfree(*cgroup_path);
> + *cgroup_path = NULL;
> + }
> +
> + return ret;
> +}

Other than that, cgroup side looks fine to me. For cgroup bits,

Reviewed-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks.

--
tejun
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