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-rw-r--r--init/Kconfig12
1 files changed, 11 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 39923ccc287b..9ee778294756 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
@@ -1220,3 +1229,4 @@ source "block/Kconfig"
config PREEMPT_NOTIFIERS
bool
+source "kernel/Kconfig.locks"
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