diff --git a/mm/Kconfig b/mm/Kconfig
index ee9f3e0..17b8947 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -253,7 +253,7 @@
 
 config HWPOISON_INJECT
 	tristate "HWPoison pages injector"
-	depends on MEMORY_FAILURE && DEBUG_KERNEL
+	depends on MEMORY_FAILURE && DEBUG_KERNEL && PROC_FS
 	select PROC_PAGE_MONITOR
 
 config NOMMU_INITIAL_TRIM_EXCESS
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 6a0466e..17299fd 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -52,6 +52,8 @@
 
 atomic_long_t mce_bad_pages __read_mostly = ATOMIC_LONG_INIT(0);
 
+#if defined(CONFIG_HWPOISON_INJECT) || defined(CONFIG_HWPOISON_INJECT_MODULE)
+
 u32 hwpoison_filter_enable = 0;
 u32 hwpoison_filter_dev_major = ~0U;
 u32 hwpoison_filter_dev_minor = ~0U;
@@ -164,6 +166,13 @@
 
 	return 0;
 }
+#else
+int hwpoison_filter(struct page *p)
+{
+	return 0;
+}
+#endif
+
 EXPORT_SYMBOL_GPL(hwpoison_filter);
 
 /*