1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 3f1fafc0245e..c643016499a1 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3,6 +3,7 @@
 
 #include <linux/sched.h>
 #include <linux/errno.h>
+#include <linux/capability.h>
 
 #ifdef __KERNEL__
 
@@ -1027,7 +1028,7 @@ kernel_map_pages(struct page *page, int numpages, int enable)
 {
         if (!PageHighMem(page) && !enable)
                 mutex_debug_check_no_locks_freed(page_address(page),
-                                                 page_address(page + numpages));
+                                                 numpages * PAGE_SIZE);
 }
 #endif