mm/page-writeback.c: make determine_dirtyable_memory static again

[firefly-linux-kernel-4.4.55.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index b8930d5a8325fc0557ddb8649e16d7c8d7c68f21..a075765d5fbe4b85ca033708f454de38c3ea3798 100644 (file)
--- a/init/Kconfig
+++ b/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.