Commit 3c6f29aa authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

[PATCH] sched: add enqueeu_task_head()

From: Ingo Molnar <mingo@elte.hu>

Helper function for later patches
parent 78650e1b
......@@ -331,6 +331,21 @@ static void enqueue_task(struct task_struct *p, prio_array_t *array)
p->array = array;
}
#ifdef CONFIG_SMP
/*
* Used by the migration code - we pull tasks from the head of the
* remote queue so we want these tasks to show up at the head of the
* local queue:
*/
static inline void enqueue_task_head(struct task_struct *p, prio_array_t *array)
{
list_add(&p->run_list, array->queue + p->prio);
__set_bit(p->prio, array->bitmap);
array->nr_active++;
p->array = array;
}
#endif
/*
* effective_prio - return the priority that is based on the static
* priority but is modified by bonuses/penalties.
......
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