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-rw-r--r--init/Kconfig22
1 files changed, 21 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig
index e50c63fb883..38899243213 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -334,6 +334,15 @@ config TREE_PREEMPT_RCU
is also required. It also scales down nicely to
smaller systems.
+config TINY_RCU
+ bool "UP-only small-memory-footprint RCU"
+ depends on !SMP
+ help
+ This option selects the RCU implementation that is
+ designed for UP systems from which real-time response
+ is not required. This option greatly reduces the
+ memory footprint of RCU.
+
endchoice
config RCU_TRACE
@@ -606,7 +615,7 @@ config SYSFS_DEPRECATED
bool
config SYSFS_DEPRECATED_V2
- bool "remove sysfs features which may confuse old userspace tools"
+ bool "enable deprecated sysfs features which may confuse old userspace tools"
depends on SYSFS
default n
select SYSFS_DEPRECATED
@@ -1099,6 +1108,16 @@ config SLOW_WORK
See Documentation/slow-work.txt.
+config SLOW_WORK_DEBUG
+ bool "Slow work debugging through debugfs"
+ default n
+ depends on SLOW_WORK && DEBUG_FS
+ help
+ Display the contents of the slow work run queue through debugfs,
+ including items currently executing.
+
+ See Documentation/slow-work.txt.
+
endmenu # General setup
config HAVE_GENERIC_DMA_COHERENT
@@ -1211,3 +1230,4 @@ source "block/Kconfig"
config PREEMPT_NOTIFIERS
bool
+source "kernel/Kconfig.locks"