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| author | bsegall@google.com <bsegall@google.com> | 2015-06-16 12:18:21 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-07-07 08:46:09 +0200 |
| commit | 6dfec8d9493f48a42896386b41ec1a4644331b0b (patch) | |
| tree | 3028b4e29b88bc0380917745eaaa36935e0e495c | |
| parent | d49db342f0e276b354383b3281c5668b6b80f5c2 (diff) | |
| download | linux-6dfec8d9493f48a42896386b41ec1a4644331b0b.tar.bz2 | |
sched/numa: Check sched_feat(NUMA) in migrate_improves_locality()
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>
| -rw-r--r-- | kernel/sched/fair.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index d113c3ba8bc4..98b2b961df33 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -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; } |