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Commit 3105b86a authored by Mel Gorman's avatar Mel Gorman
Browse files

mm: sched: numa: Control enabling and disabling of NUMA balancing if !SCHED_DEBUG 



The "mm: sched: numa: Control enabling and disabling of NUMA balancing"
depends on scheduling debug being enabled but it's perfectly legimate to
disable automatic NUMA balancing even without this option. This should
take care of it.

Signed-off-by: default avatarMel Gorman <mgorman@suse.de>
parent 1a687c2e

kernel/sched/core.c

+9 −0
Original line number Diff line number Diff line
@@ -1558,6 +1558,7 @@ static void __sched_fork(struct task_struct *p) 
}



#ifdef CONFIG_NUMA_BALANCING

#ifdef CONFIG_SCHED_DEBUG

void set_numabalancing_state(bool enabled)

{

	if (enabled)
@@ -1565,6 +1566,14 @@ void set_numabalancing_state(bool enabled) 
	else

		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 */



/*

kernel/sched/sched.h

+7 −1
Original line number Diff line number Diff line
@@ -650,9 +650,15 @@ extern struct static_key sched_feat_keys[__SCHED_FEAT_NR]; 


#ifdef CONFIG_NUMA_BALANCING

#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

#define sched_feat_numa(x) (0)

#endif

#define numabalancing_enabled (0)

#endif /* CONFIG_NUMA_BALANCING */



static inline u64 global_rt_period(void)

{