1 files changed, 2 insertions, 1 deletions

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index e17ec3f1c637..e354b9f2f389 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -35,6 +35,7 @@
 #include <linux/mm.h>
 #include <linux/page-flags.h>
 #include <linux/sched.h>
+#include <linux/ksm.h>
 #include <linux/rmap.h>
 #include <linux/pagemap.h>
 #include <linux/swap.h>
@@ -644,7 +645,7 @@ static void hwpoison_user_mappings(struct page *p, unsigned long pfn,
         int i;
         int kill = 1;
 
-        if (PageReserved(p) || PageCompound(p) || PageSlab(p))
+        if (PageReserved(p) || PageCompound(p) || PageSlab(p) || PageKsm(p))
                 return;
 
         /*