提交 138a8aeb 编写于 作者: I Ingo Molnar

sched: add cfs_rq ops

add the set_task_cfs_rq() abstraction needed by CONFIG_FAIR_GROUP_SCHED.

(not activated yet)
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 41b86e9c
......@@ -449,6 +449,18 @@ static inline unsigned long long rq_clock(struct rq *rq)
#define task_rq(p) cpu_rq(task_cpu(p))
#define cpu_curr(cpu) (cpu_rq(cpu)->curr)
#ifdef CONFIG_FAIR_GROUP_SCHED
/* Change a task's ->cfs_rq if it moves across CPUs */
static inline void set_task_cfs_rq(struct task_struct *p)
{
p->se.cfs_rq = &task_rq(p)->cfs;
}
#else
static inline void set_task_cfs_rq(struct task_struct *p)
{
}
#endif
#ifndef prepare_arch_switch
# define prepare_arch_switch(next) do { } while (0)
#endif
......
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