diff --git a/mm/Kconfig b/mm/Kconfig
index ea2d8b6..4b4e57a 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -243,6 +243,10 @@
 	  even when some of its memory has uncorrected errors. This requires
 	  special hardware support and typically ECC memory.
 
+config HWPOISON_INJECT
+	tristate "Poison pages injector"
+	depends on MEMORY_FAILURE && DEBUG_KERNEL
+
 config NOMMU_INITIAL_TRIM_EXCESS
 	int "Turn on mmap() excess space trimming before booting"
 	depends on !MMU