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SubjectRe: 2.6.8.1-mm2

* Rusty Russell <rusty@rustcorp.com.au> wrote:

> + /* Delayed cleanup on death of task with uncaring parent. */
> + struct list_head death;

> +/* Keventd handles tasks whose parent won't ever release_task them. */
> +static DEFINE_PER_CPU(struct list_head, unreleased_tasks);
> +static DEFINE_PER_CPU(struct work_struct, release_task_work);

no! this removes the whole performance optimization of self-reaping and
re-introduces the context-switches. Just measure the
creation/destruction performance of threads. Strong NACK.

Ingo
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