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-rw-r--r--init/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 2e9a1457132..9ee77829475 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