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

Message ID 20180404191831.5378-39-jglisse@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jerome Glisse April 4, 2018, 7:18 p.m. UTC 
From: Jérôme Glisse <jglisse@redhat.com>

Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
---
 mm/Kconfig | 1 +
 1 file changed, 1 insertion(+)
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Patch

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