1 files changed, 1 insertions, 1 deletions

diff --git a/lib/show_mem.c b/lib/show_mem.c
index 09225796991a..5e256271b47b 100644
--- a/lib/show_mem.c
+++ b/lib/show_mem.c
@@ -28,7 +28,7 @@ void show_mem(unsigned int filter)
                                 continue;
 
                         total += zone->present_pages;
-                        reserved = zone->present_pages - zone->managed_pages;
+                        reserved += zone->present_pages - zone->managed_pages;
 
                         if (is_highmem_idx(zoneid))
                                 highmem += zone->present_pages;