1 files changed, 1 insertions, 3 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 2f644c3e3da3..ce2a026219bc 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3381,10 +3381,8 @@ static void __init setup_usemap(struct pglist_data *pgdat,
 {
         unsigned long usemapsize = usemap_size(zonesize);
         zone->pageblock_flags = NULL;
-        if (usemapsize) {
+        if (usemapsize)
                 zone->pageblock_flags = alloc_bootmem_node(pgdat, usemapsize);
-                memset(zone->pageblock_flags, 0, usemapsize);
-        }
 }
 #else
 static void inline setup_usemap(struct pglist_data *pgdat,