diff --git a/mm/memory.c b/mm/memory.c
index ae8d567bc6ba..732b8f926de6 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4649,8 +4649,8 @@ EXPORT_SYMBOL_GPL(unmap_mapping_pages);
 void unmap_mapping_range(struct address_space *mapping,
 		loff_t const holebegin, loff_t const holelen, int even_cows)
 {
-	pgoff_t hba = (pgoff_t)(holebegin) >> PAGE_SHIFT;
-	pgoff_t hlen = ((pgoff_t)(holelen) + PAGE_SIZE - 1) >> PAGE_SHIFT;
+	pgoff_t hba = (u64)holebegin >> PAGE_SHIFT;
+	pgoff_t hlen = ((u64)holelen + PAGE_SIZE - 1) >> PAGE_SHIFT;
 
 	/* Check for overflow. */
 	if (sizeof(holelen) > sizeof(hlen)) {