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-rw-r--r--mm/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 3aa519f52e1..ea2d8b61c63 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -233,6 +233,16 @@ config DEFAULT_MMAP_MIN_ADDR
/proc/sys/vm/mmap_min_addr tunable.
+config MEMORY_FAILURE
+ depends on MMU
+ depends on X86_MCE
+ bool "Enable recovery from hardware memory errors"
+ help
+ Enables code to recover from some memory failures on systems
+ with MCA recovery. This allows a system to continue running
+ even when some of its memory has uncorrected errors. This requires
+ special hardware support and typically ECC memory.
+
config NOMMU_INITIAL_TRIM_EXCESS
int "Turn on mmap() excess space trimming before booting"
depends on !MMU