From: Jérôme Glisse <[email protected]>
Signed-off-by: Jérôme Glisse <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
---
mm/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/mm/Kconfig b/mm/Kconfig
index aeffb6e8dd21..6994a1fdf847 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -308,6 +308,7 @@ config MMU_NOTIFIER
config KSM
bool "Enable KSM for page merging"
depends on MMU
+ select PAGE_RONLY
help
Enable Kernel Samepage Merging: KSM periodically scans those areas
of an application's address space that an app has advised may be
--
2.14.3
