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-rw-r--r--init/Kconfig12
1 files changed, 2 insertions, 10 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 3f7e60995c80..25373cf32672 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -316,21 +316,13 @@ choice
316 prompt "RCU Implementation" 316 prompt "RCU Implementation"
317 default TREE_RCU 317 default TREE_RCU
318 318
319config CLASSIC_RCU
320 bool "Classic RCU"
321 help
322 This option selects the classic RCU implementation that is
323 designed for best read-side performance on non-realtime
324 systems.
325
326 Select this option if you are unsure.
327
328config TREE_RCU 319config TREE_RCU
329 bool "Tree-based hierarchical RCU" 320 bool "Tree-based hierarchical RCU"
330 help 321 help
331 This option selects the RCU implementation that is 322 This option selects the RCU implementation that is
332 designed for very large SMP system with hundreds or 323 designed for very large SMP system with hundreds or
333 thousands of CPUs. 324 thousands of CPUs. It also scales down nicely to
325 smaller systems.
334 326
335config PREEMPT_RCU 327config PREEMPT_RCU
336 bool "Preemptible RCU" 328 bool "Preemptible RCU"