diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 9d87fca..73066b8 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -916,6 +916,7 @@ static bool hwpoison_user_mappings(struct page *p, unsigned long pfn,
 	bool unmap_success;
 	int kill = 1, forcekill;
 	struct page *hpage = *hpagep;
+	bool mlocked = PageMlocked(hpage);
 
 	/*
 	 * Here we are interested only in user-mapped pages, so skip any
@@ -980,6 +981,13 @@ static bool hwpoison_user_mappings(struct page *p, unsigned long pfn,
 		       pfn, page_mapcount(hpage));
 
 	/*
+	 * try_to_unmap() might put mlocked page in lru cache, so call
+	 * shake_page() again to ensure that it's flushed.
+	 */
+	if (mlocked)
+		shake_page(hpage, 0);
+
+	/*
 	 * Now that the dirty bit has been propagated to the
 	 * struct page and all unmaps done we can decide if
 	 * killing is needed or not.  Only kill when the page