The following commit has been merged into the core/rcu branch of tip:
Commit-ID: a2dae43088d51c4869e7fa91ca09bcc890e277fc
Gitweb: https://git.kernel.org/tip/a2dae43088d51c4869e7fa91ca09bcc890e277fc
Author: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx>
AuthorDate: Fri, 12 Jun 2020 10:07:53 +08:00
Committer: Paul E. McKenney <paulmck@xxxxxxxxxx>
CommitterDate: Mon, 29 Jun 2020 11:58:51 -07:00
rcu: grplo/grphi just records CPU number
The ->grplo and ->grphi fields store the lowest and highest CPU number
covered by to a rcu_node structure, which is not the group number.
This commit therefore adjusts these fields' comments to match reality.
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
---
kernel/rcu/tree.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index 09ec93b..9f903f5 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -73,8 +73,8 @@ struct rcu_node {
unsigned long ffmask; /* Fully functional CPUs. */
unsigned long grpmask; /* Mask to apply to parent qsmask. */
/* Only one bit will be set in this mask. */
- int grplo; /* lowest-numbered CPU or group here. */
- int grphi; /* highest-numbered CPU or group here. */
+ int grplo; /* lowest-numbered CPU here. */
+ int grphi; /* highest-numbered CPU here. */
u8 grpnum; /* CPU/group number for next level up. */
u8 level; /* root is at level 0. */
bool wait_blkd_tasks;/* Necessary to wait for blocked tasks to */
|