doc: rcu: Update description of gp_seq fields in rcu_data

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@joelfernandes.org>
Cc: <kernel-team@android.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>

diff --git a/Documentation/RCU/Design/Data-Structures/Data-Structures.html b/Documentation/RCU/Design/Data-Structures/Data-Structures.html
index 3ed5f01..18f1798 100644 (file)
--- 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