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-rw-r--r--lib/Kconfig.debug11
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 207702c5eb29..cc7d53d9dc01 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -759,7 +759,7 @@ config SHRINKER_DEBUG
config DEBUG_STACK_USAGE
bool "Stack utilization instrumentation"
- depends on DEBUG_KERNEL && !IA64
+ depends on DEBUG_KERNEL
help
Enables the display of the minimum amount of free stack which each
task has ever had available in the sysrq-T and sysrq-P debug output.
@@ -1720,6 +1720,15 @@ config DEBUG_NOTIFIERS
This is a relatively cheap check but if you care about maximum
performance, say N.
+config DEBUG_CLOSURES
+ bool "Debug closures (bcache async widgits)"
+ depends on CLOSURES
+ select DEBUG_FS
+ help
+ Keeps all active closures in a linked list and provides a debugfs
+ interface to list them, which makes it possible to see asynchronous
+ operations that get stuck.
+
config DEBUG_MAPLE_TREE
bool "Debug maple trees"
depends on DEBUG_KERNEL