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rcu: Update RCU_FAST_NO_HZ help text
authorPaul E. McKenney <paul.mckenney@linaro.org>
Sun, 7 Oct 2012 16:26:13 +0000 (09:26 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Tue, 23 Oct 2012 21:54:07 +0000 (14:54 -0700)
The RCU_FAST_NO_HZ help text included a warning about overhead on large
systems, but that issue has since been resolved.  The main remaining
issue with RCU_FAST_NO_HZ is increased real-time latency.  This commit
therefore updates the help text accordingly.

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

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