x86, mm: Fix bogus whitespace in sync_global_pgds()

Whitespace cleanup only.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

arch/x86/mm/init_64.c

@@ -103,28 +103,28 @@ __setup("noexec32=", nonx32_setup);
  */
 void sync_global_pgds(unsigned long start, unsigned long end)
 {
-       unsigned long address;
-
-       for (address = start; address <= end; address += PGDIR_SIZE) {
-	       const pgd_t *pgd_ref = pgd_offset_k(address);
-	       unsigned long flags;
-	       struct page *page;
-
-	       if (pgd_none(*pgd_ref))
-		       continue;
-
-	       spin_lock_irqsave(&pgd_lock, flags);
-	       list_for_each_entry(page, &pgd_list, lru) {
-		       pgd_t *pgd;
-		       pgd = (pgd_t *)page_address(page) + pgd_index(address);
-		       if (pgd_none(*pgd))
-			       set_pgd(pgd, *pgd_ref);
-		       else
-			       BUG_ON(pgd_page_vaddr(*pgd)
-					!= pgd_page_vaddr(*pgd_ref));
-	       }
-	       spin_unlock_irqrestore(&pgd_lock, flags);
-       }
+	unsigned long address;
+
+	for (address = start; address <= end; address += PGDIR_SIZE) {
+		const pgd_t *pgd_ref = pgd_offset_k(address);
+		unsigned long flags;
+		struct page *page;
+
+		if (pgd_none(*pgd_ref))
+			continue;
+
+		spin_lock_irqsave(&pgd_lock, flags);
+		list_for_each_entry(page, &pgd_list, lru) {
+			pgd_t *pgd;
+			pgd = (pgd_t *)page_address(page) + pgd_index(address);
+			if (pgd_none(*pgd))
+				set_pgd(pgd, *pgd_ref);
+			else
+				BUG_ON(pgd_page_vaddr(*pgd)
+				       != pgd_page_vaddr(*pgd_ref));
+		}
+		spin_unlock_irqrestore(&pgd_lock, flags);
+	}
 }
 
 /*