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sched/numa: Check sched_feat(NUMA) in migrate_improves_locality()

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migrate_improves_locality checked sched_feat(NUMA_FAVOUR_HIGHER) but not
sched_feat(NUMA), so disabling just the NUMA feature would leave it
working off of old data.

Signed-off-by: Ben Segall <bsegall@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/xm26si9rtqbm.fsf@sword-of-the-dawn.mtv.corp.google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
bsegall@google.com 2015-06-16 12:18:21 -07:00 committed by Ingo Molnar
parent d49db342f0
commit 6dfec8d949
1 changed files with 2 additions and 2 deletions
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4
kernel/sched/fair.c
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@ -5680,8 +5680,8 @@ static bool migrate_improves_locality(struct task_struct *p, struct lb_env *env)
unsigned long src_faults, dst_faults;
int src_nid, dst_nid;
if (!sched_feat(NUMA_FAVOUR_HIGHER) || !p->numa_faults ||
!(env->sd->flags & SD_NUMA)) {
if (!sched_feat(NUMA) || !sched_feat(NUMA_FAVOUR_HIGHER) ||
!p->numa_faults || !(env->sd->flags & SD_NUMA)) {
return false;
}