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-rw-r--r--arch/s390/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 29a7940f284..1d035082e78 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -430,6 +430,13 @@ config CMM_IUCV
Select this option to enable the special message interface to
the cooperative memory management.
+config PAGE_STATES
+ bool "Unused page notification"
+ help
+ This enables the notification of unused pages to the
+ hypervisor. The ESSA instruction is used to do the states
+ changes between a page that has content and the unused state.
+
config VIRT_TIMER
bool "Virtual CPU timer support"
help