doc: rcu: Update description of gp_seq fields in rcu_data (70f0508c) · Commits · 戴 / test

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:

Documentation/RCU/Design/Data-Structures/Data-Structures.html

+4 −3

Original line number	Diff line number	Diff line
		@@ -1011,9 +1011,10 @@ as follows:
		5 bool gpwrap;
		</pre>

		<p>The <tt>->gp_seq</tt> and <tt>->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>->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>->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