Messages in this thread Patch in this message | | | From | Srikar Dronamraju <> | Subject | [PATCH] sched: Fix task_tick_fair from disabling numa_balancing | Date | Fri, 2 Oct 2015 07:48:25 +0530 |
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If static branch sched_numa_balancing is enabled, it should kickstart numa_balancing through task_tick_numa(). However Commit 2a1ed24 ("sched/numa: Convert sched_numa_balancing to a static_branch") erroneously disables this.
Fix this anomaly by enabling task_tick_numa when static branch sched_numa_balancing is enabled.
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> --- kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 4df37a4..3bdc3da 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -7881,7 +7881,7 @@ static void task_tick_fair(struct rq *rq, struct task_struct *curr, int queued) entity_tick(cfs_rq, se, queued); } - if (!static_branch_unlikely(&sched_numa_balancing)) + if (static_branch_unlikely(&sched_numa_balancing)) task_tick_numa(rq, curr); } -- 2.1.4
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