Diffstat (limited to 'init/Kconfig')
1 files changed, 9 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 2e9a1457132..9ee77829475 100644
@@ -334,6 +334,15 @@ config TREE_PREEMPT_RCU
is also required. It also scales down nicely to
+ bool "UP-only small-memory-footprint RCU"
+ depends on !SMP
+ 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.