pxa168_eth: fix mdiobus_scan() error check

[cascardo/linux.git] / mm / memory-failure.c

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 78f5f26..ca5acee 100644 (file)
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -888,7 +888,15 @@ int get_hwpoison_page(struct page *page)
                }
        }
 
-       return get_page_unless_zero(head);
+       if (get_page_unless_zero(head)) {
+               if (head == compound_head(page))
+                       return 1;
+
+               pr_info("MCE: %#lx cannot catch tail\n", page_to_pfn(page));
+               put_page(head);
+       }
+
+       return 0;
 }
 EXPORT_SYMBOL_GPL(get_hwpoison_page);