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SubjectRe: [PATCH V6] powercap/drivers/idle_injection: Add an idle injection framework
On Tue, Jun 12, 2018 at 02:00:11PM +0200, Daniel Lezcano wrote:
> +struct idle_injection_device {

remove this:
> + cpumask_var_t cpumask;

> + struct hrtimer timer;
> + struct completion stop_complete;
> + unsigned int idle_duration_ms;
> + unsigned int run_duration_ms;
> + atomic_t count;

add:
unsigned long cpumask[0];
> +};


> +static struct idle_injection_device *ii_dev_alloc(void)
> +{
> + struct idle_injection_device *ii_dev;
> +
> + ii_dev = kzalloc(sizeof(*ii_dev), GFP_KERNEL);

use:

sizeof(*ii_dev) + cpumask_size()

> + if (!ii_dev)
> + return NULL;
> +

delete:

> + if (!alloc_cpumask_var(&ii_dev->cpumask, GFP_KERNEL)) {
> + kfree(ii_dev);
> + return NULL;
> + }
> +
> + return ii_dev;
> +}

And use:

to_cpumask(ii_dev->cpumask)

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