linux-kernel - [PATCH tip/core/rcu 08/20] doc: rcu: Update description of gp_seq fields in rcu

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Date:   Sun, 11 Nov 2018 11:56:33 -0800
From:   "Paul E. McKenney" <paulmck@...ux.ibm.com>
To:     linux-kernel@...r.kernel.org
Cc:     mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com,
        akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
        josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
        rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
        fweisbec@...il.com, oleg@...hat.com, joel@...lfernandes.org,
        kernel-team@...roid.com,
        "Paul E . McKenney" <paulmck@...ux.ibm.com>
Subject: [PATCH tip/core/rcu 08/20] doc: rcu: Update description of gp_seq fields in rcu_data

From: "Joel Fernandes (Google)" <joel@...lfernandes.org>

The rcu_state structure doesn't have a gp_seq_needed field. Update the
description under rcu_data accordingly, to reflect this.

Signed-off-by: Joel Fernandes (Google) <joel@...lfernandes.org>
Cc: <kernel-team@...roid.com>
Signed-off-by: Paul E. McKenney <paulmck@...ux.ibm.com>
---
 .../RCU/Design/Data-Structures/Data-Structures.html        | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Documentation/RCU/Design/Data-Structures/Data-Structures.html b/Documentation/RCU/Design/Data-Structures/Data-Structures.html
index 3ed5f0182bc4..18f179807563 100644
--- a/Documentation/RCU/Design/Data-Structures/Data-Structures.html
+++ b/Documentation/RCU/Design/Data-Structures/Data-Structures.html
@@ -1011,9 +1011,10 @@ as follows:
   5   bool gpwrap;
 </pre>
 
-<p>The <tt>-&gt;gp_seq</tt> and <tt>-&gt;gp_seq_needed</tt>
-fields are the counterparts of the fields of the same name
-in the <tt>rcu_state</tt> and <tt>rcu_node</tt> structures.
+<p>The <tt>-&gt;gp_seq</tt> field is the counterpart of the field of the same
+name in the <tt>rcu_state</tt> and <tt>rcu_node</tt> structures.  The
+<tt>-&gt;gp_seq_needed</tt> field is the counterpart of the field of the same
+name in the rcu_node</tt> structure.
 They may each lag up to one behind their <tt>rcu_node</tt>
 counterparts, but in <tt>CONFIG_NO_HZ_IDLE</tt> and
 <tt>CONFIG_NO_HZ_FULL</tt> kernels can lag
-- 
2.17.1