documentation: Replace ACCESS_ONCE() by READ_ONCE() and WRITE_ONCE()

Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2015-06-18 14:33:24 -07:00
commit 9af194cefc