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Commit bf5c91ba authored by Ingo Molnar's avatar Ingo Molnar
Browse files

sched: move sched_feat() definitions 



move sched_feat() definitions so that it can be used sooner by generic
code too.

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: default avatarMike Galbraith <efault@gmx.de>
Reviewed-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent e9acbff6

kernel/sched.c

+31 −0
Original line number Diff line number Diff line
@@ -381,6 +381,37 @@ static void update_rq_clock(struct rq *rq) 
#define task_rq(p)		cpu_rq(task_cpu(p))

#define cpu_curr(cpu)		(cpu_rq(cpu)->curr)



/*

 * Tunables that become constants when CONFIG_SCHED_DEBUG is off:

 */

#ifdef CONFIG_SCHED_DEBUG

# define const_debug __read_mostly

#else

# define const_debug static const

#endif



/*

 * Debugging: various feature bits

 */

enum {

	SCHED_FEAT_FAIR_SLEEPERS	= 1,

	SCHED_FEAT_NEW_FAIR_SLEEPERS	= 2,

	SCHED_FEAT_SLEEPER_AVG		= 4,

	SCHED_FEAT_SLEEPER_LOAD_AVG	= 8,

	SCHED_FEAT_START_DEBIT		= 16,

	SCHED_FEAT_SKIP_INITIAL		= 32,

};



const_debug unsigned int sysctl_sched_features =

		SCHED_FEAT_FAIR_SLEEPERS	*0 |

		SCHED_FEAT_NEW_FAIR_SLEEPERS	*1 |

		SCHED_FEAT_SLEEPER_AVG		*0 |

		SCHED_FEAT_SLEEPER_LOAD_AVG	*1 |

		SCHED_FEAT_START_DEBIT		*1 |

		SCHED_FEAT_SKIP_INITIAL		*0;



#define sched_feat(x) (sysctl_sched_features & SCHED_FEAT_##x)



/*

 * For kernel-internal use: high-speed (but slightly incorrect) per-cpu

 * clock constructed from sched_clock():

kernel/sched_fair.c

+0 −31
Original line number Diff line number Diff line
@@ -20,15 +20,6 @@ 
 *  Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>

 */



/*

 * Tunables that become constants when CONFIG_SCHED_DEBUG is off:

 */

#ifdef CONFIG_SCHED_DEBUG

# define const_debug __read_mostly

#else

# define const_debug static const

#endif



/*

 * Targeted preemption latency for CPU-bound tasks:

 * (default: 20ms, units: nanoseconds)
@@ -87,28 +78,6 @@ const_debug unsigned int sysctl_sched_wakeup_granularity = 1000000UL; 


unsigned int sysctl_sched_runtime_limit __read_mostly;



/*

 * Debugging: various feature bits

 */

enum {

	SCHED_FEAT_FAIR_SLEEPERS	= 1,

	SCHED_FEAT_NEW_FAIR_SLEEPERS	= 2,

	SCHED_FEAT_SLEEPER_AVG		= 4,

	SCHED_FEAT_SLEEPER_LOAD_AVG	= 8,

	SCHED_FEAT_START_DEBIT		= 16,

	SCHED_FEAT_SKIP_INITIAL		= 32,

};



const_debug unsigned int sysctl_sched_features =

		SCHED_FEAT_FAIR_SLEEPERS	*0 |

		SCHED_FEAT_NEW_FAIR_SLEEPERS	*1 |

		SCHED_FEAT_SLEEPER_AVG		*0 |

		SCHED_FEAT_SLEEPER_LOAD_AVG	*1 |

		SCHED_FEAT_START_DEBIT		*1 |

		SCHED_FEAT_SKIP_INITIAL		*0;



#define sched_feat(x) (sysctl_sched_features & SCHED_FEAT_##x)



extern struct sched_class fair_sched_class;



/**************************************************************