From 25a13b6dfdccd6800db37d3d4bf2f32000d99698 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Thu, 3 Nov 2011 14:56:12 -0700 Subject: [PATCH] --- yaml --- r: 277220 b: refs/heads/master c: b807fbff3102bcac76ed9157d834dc20bb3d133b h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/init/Kconfig | 10 +++++----- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/[refs] b/[refs] index 4db5bbfa56b3..221b92957030 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 11dbaa8cb79a6e4a234a134898436f717a663f01 +refs/heads/master: b807fbff3102bcac76ed9157d834dc20bb3d133b diff --git a/trunk/init/Kconfig b/trunk/init/Kconfig index 43298f9810fb..82b6a4c675b2 100644 --- a/trunk/init/Kconfig +++ b/trunk/init/Kconfig @@ -469,14 +469,14 @@ config RCU_FANOUT_EXACT config RCU_FAST_NO_HZ bool "Accelerate last non-dyntick-idle CPU's grace periods" - depends on TREE_RCU && NO_HZ && SMP + depends on NO_HZ && SMP default n help This option causes RCU to attempt to accelerate grace periods - in order to allow the final CPU to enter dynticks-idle state - more quickly. On the other hand, this option increases the - overhead of the dynticks-idle checking, particularly on systems - with large numbers of CPUs. + in order to allow CPUs to enter dynticks-idle state more + quickly. On the other hand, this option increases the overhead + of the dynticks-idle checking, particularly on systems with + large numbers of CPUs. Say Y if energy efficiency is critically important, particularly if you have relatively few CPUs.