Now that synchronize_rcu() waits for preempt-disable regions of code as well as RCU read-side critical sections, synchronize_sched() can be replaced by synchronize_rcu(). This commit therefore makes this change, even though it is but a comment.
Signed-off-by: Paul E. McKenney <[email protected]> Cc: Tejun Heo <[email protected]> Cc: Jens Axboe <[email protected]> Cc: Dennis Zhou <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: "Dennis Zhou (Facebook)" <[email protected]> --- kernel/cgroup/cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 6aaf5dd5383b..7a8429f8e280 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -5343,7 +5343,7 @@ int __init cgroup_init(void) cgroup_rstat_boot(); /* - * The latency of the synchronize_sched() is too high for cgroups, + * The latency of the synchronize_rcu() is too high for cgroups, * avoid it at the cost of forcing all readers into the slow path. */ rcu_sync_enter_start(&cgroup_threadgroup_rwsem.rss); -- 2.17.1
