The following commit has been merged into the core/rcu branch of tip: Commit-ID: 7a0c2b0940c13a06573320ab7118375b35feef8b Gitweb: https://git.kernel.org/tip/7a0c2b0940c13a06573320ab7118375b35feef8b Author: Wei Yang <[email protected]> AuthorDate: Fri, 12 Jun 2020 10:07:54 +08:00 Committer: Paul E. McKenney <[email protected]> CommitterDate: Mon, 29 Jun 2020 11:58:51 -07:00
rcu: grpnum just records group number The ->grpnum field in the rcu_node structure contains the bit position in this structure's parent's bitmasks, which is not the CPU number. This commit therefore adjusts this field's comment accordingly. Signed-off-by: Wei Yang <[email protected]> Signed-off-by: Paul E. McKenney <[email protected]> --- kernel/rcu/tree.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 9f903f5..c96ae35 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -75,7 +75,7 @@ struct rcu_node { /* Only one bit will be set in this mask. */ int grplo; /* lowest-numbered CPU here. */ int grphi; /* highest-numbered CPU here. */ - u8 grpnum; /* CPU/group number for next level up. */ + u8 grpnum; /* group number for next level up. */ u8 level; /* root is at level 0. */ bool wait_blkd_tasks;/* Necessary to wait for blocked tasks to */ /* exit RCU read-side critical sections */
