[RFC PATCH 76/79] mm/ksm: have ksm select PAGE_RONLY config.

[jglisse]

From: JÃrÃme Glisse <jglisse@xxxxxxxxxx>

Signed-off-by: JÃrÃme Glisse <jglisse@xxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
---
 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