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author | Tim Chen <tim.c.chen@linux.intel.com> | 2016-02-01 22:47:59 (GMT) |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2016-03-31 08:49:45 (GMT) |
commit | bfdb198ccd99472c5bded689699eb30dd06316bb (patch) | |
tree | d4a27921091ad407e3ae19bbf87f13e83649d365 /kernel/sched/fair.c | |
parent | d02c071183e1c01a76811c878c8a52322201f81f (diff) | |
download | linux-bfdb198ccd99472c5bded689699eb30dd06316bb.tar.xz |
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 <tim.c.chen@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1454366879.21738.29.camel@schen9-desk2.jf.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/fair.c')
-rw-r--r-- | kernel/sched/fair.c | 2 |
1 files changed, 2 insertions, 0 deletions
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--; } |