[tip:core/rcu] doc: Make listing in RCU perf/scale requirements use rcu_assign_pointer()

["tip-bot for Joel Fernandes (Google)" <tipbot@xxxxxxxxx>]

Commit-ID:  97949f0176da396c32e7c881cbfbc61642fb1266
Gitweb:     https://git.kernel.org/tip/97949f0176da396c32e7c881cbfbc61642fb1266
Author:     Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
AuthorDate: Sun, 14 Oct 2018 19:29:42 -0700
Committer:  Paul E. McKenney <paulmck@xxxxxxxxxxxxx>
CommitDate: Mon, 12 Nov 2018 08:56:25 -0800

doc: Make listing in RCU perf/scale requirements use rcu_assign_pointer()

The code listing under this section has a quick quiz that says line
19 uses rcu_access_pointer, but the code listing itself instead uses
rcu_dereference().  This commit therefore makes the code listing match
the quick quiz.

Signed-off-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxx>
---
 Documentation/RCU/Design/Requirements/Requirements.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/RCU/Design/Requirements/Requirements.html b/Documentation/RCU/Design/Requirements/Requirements.html
index 4fae55056c1d..f74a2233865c 100644
--- a/Documentation/RCU/Design/Requirements/Requirements.html
+++ b/Documentation/RCU/Design/Requirements/Requirements.html
@@ -1596,7 +1596,7 @@ used in place of <tt>synchronize_rcu()</tt> as follows:
 16   struct foo *p;
 17
 18   spin_lock(&amp;gp_lock);
-19   p = rcu_dereference(gp);
+19   p = rcu_access_pointer(gp);
 20   if (!p) {
 21     spin_unlock(&amp;gp_lock);
 22     return false;