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4a67e3a79e
Now that synchronize_rcu() waits for preempt-disable regions of code as well as RCU read-side critical sections, synchronize_sched() can be replaced by synchronize_rcu(). This commit therefore makes this change, even though it is but a comment. Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: <linux-kernel@vger.kernel.org>