From: Wei Yang Date: Fri, 12 Jun 2020 02:07:53 +0000 (+0800) Subject: rcu: grplo/grphi just records CPU number X-Git-Tag: v5.9-rc1~204^2^2^2~3 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a2dae43088d51c4869e7fa91ca09bcc890e277fc;p=thirdparty%2Fkernel%2Flinux.git 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 Signed-off-by: Paul E. McKenney --- diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 09ec93b16f286..9f903f5c9fa1b 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 */