lkml.org 
[lkml]   [2015]   [Jun]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] sched/numa: check sched_feat(NUMA) in migrate_improves_locality
Date
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>
---
kernel/sched/fair.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 7210ae8..c736f0c 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5672,8 +5672,8 @@ 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;
}

\
 
 \ /
  Last update: 2015-06-16 21:41    [W:0.024 / U:0.840 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site