summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJoel Fernandes (Google) <joel@joelfernandes.org>2018-09-25 11:26:01 -0700
committerPaul E. McKenney <paulmck@linux.ibm.com>2018-11-12 08:56:25 -0800
commit70f0508caba2ccb564337e7a2ac4816b094abc00 (patch)
tree4682700c7d45ce8789e8f17e0ca9947fd533954a
parent82eccec851478e55bfd398d7e9d03300026fc4a9 (diff)
downloadlinux-70f0508caba2ccb564337e7a2ac4816b094abc00.tar.gz
linux-70f0508caba2ccb564337e7a2ac4816b094abc00.tar.bz2
linux-70f0508caba2ccb564337e7a2ac4816b094abc00.zip
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>
-rw-r--r--Documentation/RCU/Design/Data-Structures/Data-Structures.html7
1 files 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