linux-kernel - [RFC PATCH 76/79] mm/ksm: have ksm select PAGE

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Date:   Wed,  4 Apr 2018 15:18:28 -0400
From:   jglisse@...hat.com
To:     linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
        linux-block@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Jérôme Glisse <jglisse@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>
Subject: [RFC PATCH 76/79] mm/ksm: have ksm select PAGE_RONLY config.

From: Jérôme Glisse <jglisse@...hat.com>

Signed-off-by: Jérôme Glisse <jglisse@...hat.com>
Cc: Andrea Arcangeli <aarcange@...hat.com>
---
 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