diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index f54290b..61c0ee7 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -84,8 +84,8 @@
 #define inc_totalhigh_pages() (totalhigh_pages++)
 #define dec_totalhigh_pages() (totalhigh_pages--)
 #else
-#define inc_totalhigh_pages() do {} while(0)
-#define dec_totalhigh_pages() do {} while(0)
+#define inc_totalhigh_pages() do {} while (0)
+#define dec_totalhigh_pages() do {} while (0)
 #endif
 
 /* List of ballooned pages, threaded through the mem_map array. */
@@ -145,8 +145,7 @@
 	if (PageHighMem(page)) {
 		balloon_stats.balloon_high--;
 		inc_totalhigh_pages();
-	}
-	else
+	} else
 		balloon_stats.balloon_low--;
 
 	totalram_pages++;
@@ -299,7 +298,7 @@
 				(unsigned long)__va(pfn << PAGE_SHIFT),
 				__pte_ma(0), 0);
 			BUG_ON(ret);
-                }
+		}
 
 	}
 
@@ -376,10 +375,10 @@
  * @pages: pages returned
  * @return 0 on success, error otherwise
  */
-int alloc_xenballooned_pages(int nr_pages, struct page** pages)
+int alloc_xenballooned_pages(int nr_pages, struct page **pages)
 {
 	int pgno = 0;
-	struct page* page;
+	struct page *page;
 	mutex_lock(&balloon_mutex);
 	while (pgno < nr_pages) {
 		page = balloon_retrieve(true);
@@ -409,7 +408,7 @@
  * @nr_pages: Number of pages
  * @pages: pages to return
  */
-void free_xenballooned_pages(int nr_pages, struct page** pages)
+void free_xenballooned_pages(int nr_pages, struct page **pages)
 {
 	int i;