rcu: Let the world know when RCU adjusts its geometry

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Some RCU bugs have been specific to the layout of the rcu_node tree,
but RCU will silently adjust the tree at boot time if appropriate.
This obscures valuable debugging information, so print a message when
this happens.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

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Paul E. McKenney 2013-10-09 15:20:33 -07:00

parent 4461212aa0

commit 3947909814

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kernel/rcu/tree.c

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