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| author | Wei Yang <richard.weiyang@linux.alibaba.com> | 2020-06-12 04:07:53 +0200 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2020-06-29 20:58:51 +0200 |
| commit | a2dae43088d51c4869e7fa91ca09bcc890e277fc (patch) | |
| tree | a0e13026f5a6d0ae3e8bbda7fe33a2c697ef5679 /kernel/rcu/tree.h | |
| parent | rcu: gp_max is protected by root rcu_node's lock (diff) | |
| download | linux-a2dae43088d51c4869e7fa91ca09bcc890e277fc.tar.xz linux-a2dae43088d51c4869e7fa91ca09bcc890e277fc.zip | |
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@linux.alibaba.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/rcu/tree.h')
| -rw-r--r-- | kernel/rcu/tree.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 09ec93b16f28..9f903f5c9fa1 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 */ |