sched: rt-group: reduce rescheduling

[linux-2.6] / kernel / Kconfig.preempt

diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt
index 6b066632e40c2a9f0621d487d0caf5a7700c7b41..61fa116efcdefcc21a6216c9193a75e78eb86864 100644 (file)
--- a/kernel/Kconfig.preempt
+++ b/kernel/Kconfig.preempt
@@ -63,6 +63,13 @@ config PREEMPT_BKL
          Say Y here if you are building a kernel for a desktop system.
          Say N if you are unsure.
 
-config PREEMPT_NOTIFIERS
-       bool
+config RCU_TRACE
+       bool "Enable tracing for RCU - currently stats in debugfs"
+       select DEBUG_FS
+       default y
+       help
+         This option provides tracing in RCU which presents stats
+         in debugfs for debugging RCU implementation.
 
+         Say Y here if you want to enable RCU tracing
+         Say N if you are unsure.