summaryrefslogtreecommitdiff
path: root/kernel/rcu/tree.c
diff options
context:
space:
mode:
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-06-23 20:30:08 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-07-25 13:04:46 -0700
commitc47e067a3c57835fe5ce24d50482f5c325a64efd (patch)
tree0114f24119ea81274f9d8042b2a8e254d3a60c7c /kernel/rcu/tree.c
parenta2b2df207acff1e3f965ff2c7c38255b06d583cb (diff)
rcu: Remove orphan/adopt event-tracing fields
The rcu_node structure's ->n_cbs_orphaned and ->n_cbs_adopted fields are updated, but never read. This commit therefore removes them. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu/tree.c')
-rw-r--r--kernel/rcu/tree.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index f431114bc06a..f5acf34247fb 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -3871,7 +3871,6 @@ rcu_send_cbs_to_orphanage(int cpu, struct rcu_state *rsp,
* because _rcu_barrier() excludes CPU-hotplug operations, so it
* cannot be running now. Thus no memory barrier is required.
*/
- rdp->n_cbs_orphaned += rcu_segcblist_n_cbs(&rdp->cblist);
rcu_segcblist_extract_count(&rdp->cblist, &rsp->orphan_done);
/*
@@ -3910,7 +3909,6 @@ static void rcu_adopt_orphan_cbs(struct rcu_state *rsp, unsigned long flags)
return;
/* Do the accounting first. */
- rdp->n_cbs_adopted += rsp->orphan_done.len;
if (rsp->orphan_done.len_lazy != rsp->orphan_done.len)
rcu_idle_count_callbacks_posted();
rcu_segcblist_insert_count(&rdp->cblist, &rsp->orphan_done);