Commit-ID: bfdb198ccd99472c5bded689699eb30dd06316bb Gitweb: http://git.kernel.org/tip/bfdb198ccd99472c5bded689699eb30dd06316bb Author: Tim Chen <[email protected]> AuthorDate: Mon, 1 Feb 2016 14:47:59 -0800 Committer: Ingo Molnar <[email protected]> CommitDate: Thu, 31 Mar 2016 10:49:45 +0200
sched/numa: Remove unnecessary NUMA dequeue update from non-SMP kernels In account_entity_enqueue(), we do not do account_numa_enqueue() as NUMA balancing is not needed for UP kernels. Hence, we should remove the account_numa_dequeue() call from account_entity_dequeue() for UP kernels. Signed-off-by: Tim Chen <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Mel Gorman <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- kernel/sched/fair.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index cbb075e..1fe9916 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2437,10 +2437,12 @@ 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--; }
