[RFC v2 PATCH 1/8] mm: add a new config to manage the code

[Xishi Qiu]

This patch introduces a new config called "CONFIG_ACPI_MIRROR_MEMORY", set it
off by default.

Signed-off-by: Xishi Qiu <qiuxishi@xxxxxxxxxx>
---
 mm/Kconfig | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/mm/Kconfig b/mm/Kconfig
index 390214d..c40bb8b 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -200,6 +200,14 @@ config MEMORY_HOTREMOVE
 	depends on MEMORY_HOTPLUG && ARCH_ENABLE_MEMORY_HOTREMOVE
 	depends on MIGRATION
 
+config MEMORY_MIRROR
+	bool "Address range mirroring support"
+	depends on X86 && MEMORY_FAILURE
+	default n
+	help
+	  This feature depends on hardware and firmware support.
+	  ACPI or EFI records the mirror info.
+
 #
 # If we have space for more page flags then we can enable additional
 # optimizations and functionality.
-- 
2.0.0


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