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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-04-20 18:27:54 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-05-27 12:59:05 -0700
commit8739c5cb0fb145aeed8c56ddb5ba79381c74cb97 (patch)
treefa743bb519e5366ab88fc1352a1c4c9a30377eeb
parent78cae10b3a90438689f8cedb66241ce9cff9c214 (diff)
downloadlinux-8739c5cb0fb145aeed8c56ddb5ba79381c74cb97.tar.bz2
rcu: Break dependency of RCU_FANOUT_LEAF on RCU_FANOUT
RCU_FANOUT_LEAF's range and default values depend on the value of RCU_FANOUT, which at the time seemed like a cute way to save two lines of Kconfig code. However, adding a dependency from both of these Kconfig parameters on RCU_EXPERT requires that RCU_FANOUT_LEAF operate correctly even if RCU_FANOUT is undefined. This commit therefore allows RCU_FANOUT_LEAF to take on the full range of permitted values, even in cases where RCU_FANOUT is undefined. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> [ paulmck: Eliminate redundant "default" as suggested by Pranith Kumar. ] Reviewed-by: Pranith Kumar <bobby.prani@gmail.com>
-rw-r--r--init/Kconfig4
1 files changed, 2 insertions, 2 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 7eb4c7b3543c..ac5386937d37 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -601,8 +601,8 @@ config RCU_FANOUT
config RCU_FANOUT_LEAF
int "Tree-based hierarchical RCU leaf-level fanout value"
- range 2 RCU_FANOUT if 64BIT
- range 2 RCU_FANOUT if !64BIT
+ range 2 64 if 64BIT
+ range 2 32 if !64BIT
depends on TREE_RCU || PREEMPT_RCU
default 16
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