On 07/26, Peter Zijlstra wrote:
>
> -int schedule_on_each_cpu(work_func_t func)
> +int schedule_on_each_cpu(void (*func)(void *info), void *info, int retry, int wait)
> {
> int cpu;
> - struct work_struct *works;
> + struct schedule_on_each_cpu_work **works;
> + int err = 0;
>
> - works = alloc_percpu(struct work_struct);
> + works = kzalloc(sizeof(void *)*nr_cpu_ids, GFP_KERNEL);
Not a comment, but a question: why do we need nr_cpu_ids at all?
num_possible_cpus() looks more "correct" if cpu_possible_map has
holes (not sure this can happen in practice).
Another off-topic question: shouldn't we kill the unused "retry"
parameter of on_each_cpu() instead of mirroring it here?
> +out:
> + for_each_possible_cpu(cpu) {
> + if (works[cpu])
> + kfree(works[cpu]);
> + }
Small nit, kfree(NULL) is OK.
Oleg.
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