diff --git a/mm/mincore.c b/mm/mincore.c
index c3f058bd0faf..4fe91d497436 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -68,8 +68,16 @@ static unsigned char mincore_page(struct address_space *mapping, pgoff_t pgoff)
 		 */
 		if (xa_is_value(page)) {
 			swp_entry_t swp = radix_to_swp_entry(page);
-			page = find_get_page(swap_address_space(swp),
-					     swp_offset(swp));
+			struct swap_info_struct *si;
+
+			/* Prevent swap device to being swapoff under us */
+			si = get_swap_device(swp);
+			if (si) {
+				page = find_get_page(swap_address_space(swp),
+						     swp_offset(swp));
+				put_swap_device(si);
+			} else
+				page = NULL;
 		}
 	} else
 		page = find_get_page(mapping, pgoff);