mm: sched: numa: Control enabling and disabling of NUMA balancing if !SCHED_DEBUG (3105b86a) · Commits · 戴 / test

kernel/sched/core.c

+9 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1558,6 +1558,7 @@ static void __sched_fork(struct task_struct *p)
	}		}

	#ifdef CONFIG_NUMA_BALANCING		#ifdef CONFIG_NUMA_BALANCING
			#ifdef CONFIG_SCHED_DEBUG
	void set_numabalancing_state(bool enabled)		void set_numabalancing_state(bool enabled)
	{		{
	if (enabled)		if (enabled)
	@@ -1565,6 +1566,14 @@ void set_numabalancing_state(bool enabled)
	else		else
	sched_feat_set("NO_NUMA");		sched_feat_set("NO_NUMA");
	}		}
			#else
			__read_mostly bool numabalancing_enabled;

			void set_numabalancing_state(bool enabled)
			{
			numabalancing_enabled = enabled;
			}
			#endif /* CONFIG_SCHED_DEBUG */
	#endif /* CONFIG_NUMA_BALANCING */		#endif /* CONFIG_NUMA_BALANCING */

	/*		/*

+7 −1

Original line number	Original line	Diff line number	Diff line
	@@ -650,9 +650,15 @@ extern struct static_key sched_feat_keys[__SCHED_FEAT_NR];

	#ifdef CONFIG_NUMA_BALANCING		#ifdef CONFIG_NUMA_BALANCING
	#define sched_feat_numa(x) sched_feat(x)		#define sched_feat_numa(x) sched_feat(x)
			#ifdef CONFIG_SCHED_DEBUG
			#define numabalancing_enabled sched_feat_numa(NUMA)
			#else
			extern bool numabalancing_enabled;
			#endif /* CONFIG_SCHED_DEBUG */
	#else		#else
	#define sched_feat_numa(x) (0)		#define sched_feat_numa(x) (0)
	#endif		#define numabalancing_enabled (0)
			#endif /* CONFIG_NUMA_BALANCING */

	static inline u64 global_rt_period(void)		static inline u64 global_rt_period(void)
	{		{