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-rw-r--r--init/Kconfig10
1 files changed, 5 insertions, 5 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 43298f9810fb..82b6a4c675b2 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -469,14 +469,14 @@ config RCU_FANOUT_EXACT
469 469
470config RCU_FAST_NO_HZ 470config RCU_FAST_NO_HZ
471 bool "Accelerate last non-dyntick-idle CPU's grace periods" 471 bool "Accelerate last non-dyntick-idle CPU's grace periods"
472 depends on TREE_RCU && NO_HZ && SMP 472 depends on NO_HZ && SMP
473 default n 473 default n
474 help 474 help
475 This option causes RCU to attempt to accelerate grace periods 475 This option causes RCU to attempt to accelerate grace periods
476 in order to allow the final CPU to enter dynticks-idle state 476 in order to allow CPUs to enter dynticks-idle state more
477 more quickly. On the other hand, this option increases the 477 quickly. On the other hand, this option increases the overhead
478 overhead of the dynticks-idle checking, particularly on systems 478 of the dynticks-idle checking, particularly on systems with
479 with large numbers of CPUs. 479 large numbers of CPUs.
480 480
481 Say Y if energy efficiency is critically important, particularly 481 Say Y if energy efficiency is critically important, particularly
482 if you have relatively few CPUs. 482 if you have relatively few CPUs.