Messages in this thread Patch in this message | | | Subject | [PATCH] sched: Remove unnecessary numa dequeue update from non-SMP kernel | From | Tim Chen <> | Date | Mon, 01 Feb 2016 14:47:59 -0800 |
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In account_entity_enqueue, we do not do account_numa_enqueue as NUMA balancing is not needed for non-SMP configured kernel.
Hence, we should remove account_numa_dequeue from account_entity_dequeue for the non-SMP kernel.
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com> --- kernel/sched/fair.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 56b7d4b..6cbe2fb 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2405,10 +2405,12 @@ account_entity_dequeue(struct cfs_rq *cfs_rq, struct sched_entity *se) update_load_sub(&cfs_rq->load, se->load.weight); if (!parent_entity(se)) update_load_sub(&rq_of(cfs_rq)->load, se->load.weight); +#ifdef CONFIG_SMP if (entity_is_task(se)) { account_numa_dequeue(rq_of(cfs_rq), task_of(se)); list_del_init(&se->group_node); } +#endif cfs_rq->nr_running--; } -- 1.8.3.1
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