1 files changed, 10 insertions, 0 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index b7d31ca55187..9e3bcd6f4a48 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1430,6 +1430,16 @@ config ILLEGAL_POINTER_VALUE
 
 source "mm/Kconfig"
 
+config X86_PMEM_LEGACY
+        bool "Support non-standard NVDIMMs and ADR protected memory"
+        help
+          Treat memory marked using the non-standard e820 type of 12 as used
+          by the Intel Sandy Bridge-EP reference BIOS as protected memory.
+          The kernel will offer these regions to the 'pmem' driver so
+          they can be used for persistent storage.
+
+          Say Y if unsure.
+
 config HIGHPTE
         bool "Allocate 3rd-level pagetables from highmem"
         depends on HIGHMEM