diff options
Diffstat (limited to 'kernel/rcu/Kconfig.debug')
| -rw-r--r-- | kernel/rcu/Kconfig.debug | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/rcu/Kconfig.debug b/kernel/rcu/Kconfig.debug index 12e4c64ebae1..625d75392647 100644 --- a/kernel/rcu/Kconfig.debug +++ b/kernel/rcu/Kconfig.debug @@ -213,4 +213,19 @@ config RCU_STRICT_GRACE_PERIOD when looking for certain types of RCU usage bugs, for example, too-short RCU read-side critical sections. + +config RCU_DYNTICKS_TORTURE + bool "Minimize RCU dynticks counter size" + depends on RCU_EXPERT && !COMPILE_TEST + default n + help + This option sets the width of the dynticks counter to its + minimum usable value. This minimum width greatly increases + the probability of flushing out bugs involving counter wrap, + but it also increases the probability of extending grace period + durations. This Kconfig option should therefore be avoided in + production due to the consequent increased probability of OOMs. + + This has no value for production and is only for testing. + endmenu # "RCU Debugging" |