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doc: rcu: Better clarify the rcu_segcblist ->len field
authorJoel Fernandes (Google) <joel@joelfernandes.org>
Tue, 25 Sep 2018 18:26:00 +0000 (11:26 -0700)
committerPaul E. McKenney <paulmck@linux.ibm.com>
Mon, 12 Nov 2018 16:56:25 +0000 (08:56 -0800)
commit82eccec851478e55bfd398d7e9d03300026fc4a9
treee5bdca0c9dcb6dba286bafb8e1f6dff095d08a24tree | snapshot
parentb54d9db26031d6dc96222164092eacbaa0329255commit | diff
doc: rcu: Better clarify the rcu_segcblist ->len field

An important note under the rcu_segcblist description could use a more
detailed description. Especially explanation of the scenario where the
->head field may be temporarily NULL making it not wise to rely on it
to determine if callbacks are associated with the rcu_segcblist.

Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Cc: <kernel-team@android.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Documentation/RCU/Design/Data-Structures/Data-Structures.html diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git