Hello! This series provides RCU-list updates: 1. Describe variadic macro argument in a Sphinx-compatible way, courtesy of Jonathan Neuschäfer. 2. Add hlist_unhashed_lockless(), courtesy of Eric Dumazet. 3. Use hlist_unhashed_lockless() in timer_pending(), courtesy of Eric Dumazet. 4. Use WRITE_ONCE() for assignments to ->pprev for hlist_nulls. 5. Add and update docbook header comments in list.h. 6. Add a hlist_nulls_unhashed_lockless() function. 7. Add rculist_nulls docbook comments, courtesy of Madhuparna Bhowmik. 8. Change rculist_nulls docbook comment headers, courtesy of Madhuparna Bhowmik. 9. Add list_tail_rcu(), courtesy of Madhuparna Bhowmik. Thanx, Paul ------------------------------------------------------------------------ list.h | 144 +++++++++++++++++++++++++++++++++++++++++++++----------- list_nulls.h | 30 ++++++++++- rculist.h | 38 +++++++++----- rculist_nulls.h | 20 +++++-- timer.h | 2 5 files changed, 181 insertions(+), 53 deletions(-)