1 files changed, 2 insertions, 2 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 1eb683f9b3af..7ee675ad101e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1650,8 +1650,8 @@ void __init memmap_init_zone(unsigned long size, int nid, unsigned long zone,
                 unsigned long start_pfn)
 {
         struct page *page;
-        int end_pfn = start_pfn + size;
-        int pfn;
+        unsigned long end_pfn = start_pfn + size;
+        unsigned long pfn;
 
         for (pfn = start_pfn; pfn < end_pfn; pfn++, page++) {
                 if (!early_pfn_valid(pfn))