1 files changed, 6 insertions, 0 deletions

diff --git a/arch/um/Kconfig_char b/arch/um/Kconfig_char
index 3e50fdb67626..62d87b71179b 100644
--- a/arch/um/Kconfig_char
+++ b/arch/um/Kconfig_char
@@ -204,5 +204,11 @@ config UML_RANDOM
         http://sourceforge.net/projects/gkernel/).  rngd periodically reads
         /dev/hwrng and injects the entropy into /dev/random.
 
+config MMAPPER
+        tristate "iomem emulation driver"
+        help
+        This driver allows a host file to be used as emulated IO memory inside
+        UML.
+
 endmenu